Andriyatno, Indri, Widi Purwianingsih, Rini Solihat, Utari Akhir Gusti, and Diana Yusni. “Improving Students’ Collaboration Skills Through Project-Based Learning on Environmental Change Material”. The Eurasia Proceedings of Educational and Social Sciences 34 (July 1, 2024): 71–79. Accessed December 22, 2024. https://epess.net/index.php/epess/article/view/793.