Riawan, Kadek, I Nyoman Sukajaya, I Nengah Suparta, and I Made Suarsana. “Analisis Efektivitas Model Problem Based Learning Terhadap Pemahaman Konsep Matematika Siswa: Systematic Literature Review”. Jurnal Cendekia : Jurnal Pendidikan Matematika 10, no. 2 (July 9, 2026): 939-949. Accessed July 10, 2026. https://j-cup.org/index.php/cendekia/article/view/4969.