Kospentaris, George, Stella Vosniadou, Smaragda Kazi, and Emiliana Thanou. “Visual and Analytic Strategies in Geometry”. Frontline Learning Research 4, no. 1 (March 3, 2016): 40–57. Accessed May 2, 2024. https://journals.sfu.ca/flr/index.php/journal/article/view/226.