Sahrudin, Asep, and Trisnawati Trisnawati. “Pengembangan Metode Problem Based Learning Melalui Permainan Engklek Untuk Meningkatkan Thinking Math Peserta Didik Ma Global School”. SJME (Supremum Journal of Mathematics Education) 2, no. 1 (January 1, 2018): 32–43. Accessed March 10, 2026. https://journal-fkip.unsika.ac.id/index.php/supremum/article/view/999.