Anastasiadis, Mathaios, and Constantinos Nikolantonakis. “Isoperimetric Figures in the Elementary School Classroom: Teaching With Primary Historical Sources”. Education Sciences 2014, no. 4 (December 19, 2014): 69–91. Accessed November 22, 2024. https://ejournals.lib.uoc.gr/edusci/article/view/1752.