Andriyatno, Indri, Widi Purwianingsih, Rini Solihat, Utari Akhir Gusti, and Diana Yusni. 2024. “Improving Students’ Collaboration Skills Through Project-Based Learning on Environmental Change Material”. The Eurasia Proceedings of Educational and Social Sciences 34 (July):71-79. https://doi.org/10.55549/epess.793.