Ariawan, Rezi, and Zetriuslita Zetriuslita. “Implementasi Model Problem Based Learning Dan Kemampuan Pemecahan Masalah Matematis Dalam Bahan Ajar Kalkulus”. Jurnal Cendekia : Jurnal Pendidikan Matematika 7, no. 1 (February 9, 2023): 503-515. Accessed April 16, 2026. https://j-cup.org/index.php/cendekia/article/view/2073.