RACHMAN, Indriyani; TORU, Matsumoto. Problem and Project-based Learning as an Effective Environmental Education (EE) Methods: A Case of Textbook Development in Medan City Schools. Journal of Community Based Environmental Engineering and Management, [S. l.], v. 7, n. 1, p. 39–46, 2023. DOI: 10.23969/jcbeem.v7i1.7419. Disponível em: https://journal.unpas.ac.id/index.php/temali/article/view/7419. Acesso em: 23 feb. 2025.