Aziiza, Yushilatu Felayati, Rizky Rosjanuardi, and Dadang Juandi. 2024. “Didactic Design of the Concept of Surface Area of Flat-Sided Prism Based on Van Hiele’s Theory in Online Learning”. Mathematics Education Journal 16 (1):73-88. https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/162.