dos Santos, José dos Santos, and Astrigilda Silveira. “Training of Trainers and Pilot Training of Mathematics Teachers With GeoGebra in STEAM Context”. Sensos-e 8, no. 1 (May 16, 2021): 88–100. Accessed November 14, 2026. https://parc.ipp.pt/index.php/sensos/article/view/3805.