Suryani, Karmila, Ade Fitri Rahmadani, and Andi Gautama. “Peningkatan Kemampuan Berpikir Peserta Didik Menggunakan Problem-Based Learning”. Edukasi: Jurnal Pendidikan 17, no. 2 (December 26, 2019): 238–249. Accessed April 8, 2025. https://journal.upgripnk.ac.id/index.php/edukasi/article/view/1475.