![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig5/AS:860567564726289@1582186704892/Evaluation-of-CMT-cognitive-components-from-the-experts-point-of-view_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences](https://i1.rgstatic.net/ii/profile.image/404897376817186-1473546465865_Q512/Iveta-Kohanova.jpg)
Iveta KOHANOVA | Professor (Associate) | PhD | Norwegian University of Science and Technology, Trondheim | NTNU | Faculty of Social and Educational Sciences
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Elisangela-Espindola/publication/340492478/figure/fig3/AS:877782653476864@1586291101531/Projet-de-la-seance-de-soutien-niveau-1_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Mohamed-El-Demerdash/publication/307937241/figure/fig2/AS:404391547949063@1473425866756/Checking-golden-ratio-using-the-golden-ratio-compass-tool_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Examples of c-book resources produced in the framework of the MC2 project. | Download Scientific Diagram Examples of c-book resources produced in the framework of the MC2 project. | Download Scientific Diagram](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig3/AS:860567564734464@1582186704543/Examples-of-c-book-resources-produced-in-the-framework-of-the-MC2-project.jpg)
Examples of c-book resources produced in the framework of the MC2 project. | Download Scientific Diagram
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/281795888/figure/fig1/AS:421852209258496@1477588812869/Online-questionnaire-for-reviewing-a-DG-resource-in-the-i2geo-repository_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig5/AS:860567564726289@1582186704892/Evaluation-of-CMT-cognitive-components-from-the-experts-point-of-view.jpg)
Evaluation of CMT cognitive components from the experts' point of view. | Download Scientific Diagram
Left, the GeoGebra representation of the {8/2} star. Right, the output... | Download Scientific Diagram
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/publication/310506828/figure/fig1/AS:430228838326272@1479585956005/a-c-Students-search-for-points-for-which-the-two-variable-sides-of-the-triangle-are-of_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/publication/310506828/figure/fig2/AS:430228838326273@1479585956025/a-A-student-operates-the-PHANTOM-Omni-R-haptic-device-b-Students-view-of-the_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
Theories used in paper at the CERME8-TWG15 (left) and CERME9-TWG16 (right) | Download Scientific Diagram
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Mohamed-El-Demerdash/publication/307937253/figure/fig1/AS:613446823444534@1523268528678/figure-fig1_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2 Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2](https://www.researchgate.net/profile/Jana-Trgalova/publication/32231504/figure/fig1/AS:309875524554757@1450891490156/The-Aplusix-ILE_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig4/AS:860567564722185@1582186704566/A-screenshot-of-a-c-book-page-showing-three-widgets-Cinderella-EpsilonWriter-and_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig2/AS:860567564722183@1582186704495/Some-of-the-c-book-widget-factories_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Nataly-Essonnier/publication/338966198/figure/fig2/AS:853695822565376@1580548353143/The-designers-of-the-c-book-ski-touring_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig1/AS:860567564718080@1582186704383/C-book-technology-environment_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/330767053/figure/fig1/AS:721302654562305@1548983362793/Figura-1-Sistema-de-recursos-da-professora-para-o-ensino-de-Razoes-Trigonometricas-nivel_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/334135456/figure/fig3/AS:860567564734464@1582186704543/Examples-of-c-book-resources-produced-in-the-framework-of-the-MC2-project_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/321869065/figure/fig2/AS:784224642662403@1563985133718/Theories-used-in-paper-at-the-CERME8-TWG15-left-and-CERME9-TWG16-right_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/publication/310506828/figure/fig3/AS:667603626377245@1536180516987/a-Finding-the-triangle-with-the-least-area-b-Introducing-a-graphical-representation-of_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Jana-Trgalova/publication/321869065/figure/fig1/AS:784224642670593@1563985133679/From-a-didactic-triangle-left-to-a-didactic-tetrahedron-right_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)](https://www.researchgate.net/profile/Nataly-Essonnier/publication/338966198/figure/fig3/AS:853695822561280@1580548353215/Model-of-versioning-of-the-c-book-collaborative-design-process-Essonnier-2018_Q320.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE)
![Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2 Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2](https://i1.rgstatic.net/ii/profile.image/272558595506188-1441994441952_Q512/Jana-Trgalova.jpg)
Jana TRGALOVA | Professor (Associate) | Doctor of Mathematics Education | Claude Bernard University Lyon 1, Villeurbanne | UCBL | Institut National Supérieur du Professorat et de l'Education (INSPE) - Page 2
![PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu](https://0.academia-photos.com/attachment_thumbnails/51287101/mini_magick20190125-23100-h2gs76.png?1548481105)
PDF) Comparing theoretical frameworks enacted in experimental research: Telma experience | Jana Trgalova - Academia.edu
![Jehad ALSHWAIKH | Professor (Associate) | Mathematics Education, PhD | Birzeit University, Al Bīrah | Department of Curriculum and Instruction Jehad ALSHWAIKH | Professor (Associate) | Mathematics Education, PhD | Birzeit University, Al Bīrah | Department of Curriculum and Instruction](https://i1.rgstatic.net/ii/profile.image/917399956103168-1595736602486_Q512/Jehad-Alshwaikh.jpg)