SYAFI’I , A. A. . .; BENGANG, E. .; WULANDARI, F.; LADOPURAB, H. H. . Implementation of the Green School Festival to Increase Strengthening of Character Education in Era 4.0: Pelaksanaan Green School Festival Untuk Meningkatkan Penguatan Pendidikan Karakter di Era 4.0 . Proceedings of The ICECRS, [S. l.], v. 8, 2020. DOI: 10.21070/icecrs2020450. Disponível em: https://icecrs.umsida.ac.id/index.php/icecrs/article/view/450. Acesso em: 8 sep. 2025.