Negara, Fandy, Zainal Abidin, and Surya Faradiba. “Meningkatkan Self-Efficacy Matematika Siswa Melalui Pembelajaran Berbasis Masalah”. Jurnal Cendekia : Jurnal Pendidikan Matematika 7, no. 1 (February 6, 2023): 455-466. Accessed April 18, 2026. https://j-cup.org/index.php/cendekia/article/view/1943.