Papadam, Maria, and Ioannis Agaliotis. “An Investigation of Geometric Knowledge in Pupils With Mild Educational Needs”. Psychology: the Journal of the Hellenic Psychological Society 26, no. 1 (March 24, 2021): 135–151. Accessed July 15, 2025. https://ejournals.epublishing.ekt.gr/index.php/psychology/article/view/26234.