Simamora, Rianita, Yoel Octobe Purba, and Aprido Simamora. “Teacher Creativity in the Use of Educational Games in Distance Mathematics Learning for Junior High School Students”. Jurnal Riset Pendidikan Matematika 11, no. 1 (May 31, 2024): 53–63. Accessed May 19, 2025. https://journal.uny.ac.id/index.php/jrpm/article/view/71886.