Paillin, Bongga, Tri Prastiti, and Sendi Ramdhani. “Pengembangkan Keterampilan Berpikir Kritis Dan Solusi Masalah Matematika Melalui Problem Based Learning”. Jurnal Cendekia : Jurnal Pendidikan Matematika 8, no. 2 (June 20, 2024): 1225-1242. Accessed April 16, 2026. https://j-cup.org/index.php/cendekia/article/view/3199.