Prawitaningrum, Ariyanti, and Endang Endarini. “Efektivitas Model CIRC Dan GGE Terhadap Kemampuan Berpikir Kreatif Matematika”. International Journal of Elementary Education 3, no. 3 (August 20, 2019): 308–315. Accessed May 4, 2024. https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/19416.