Purwang, Andani. “Penerapan Model Pembelajaran Problem Based Learning Dalam Meningkatkan Kemapuan Kolaborasi Peserta Didik”. Prosiding Seminar Nasional Pendidikan Profesi Guru 1, no. 2 (November 30, 2023): 3802–3805. Accessed December 5, 2025. https://conference.upgris.ac.id/index.php/psnppg/article/view/5714.