SUNARNI, Sri; WAKHUDIN, Wakhudin. Implementation of the Problem-Based Learning Model to Build Adiwiyata Schools through Strengthening Environmental Care Character in Elementary Schools. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 25, p. 271–276, 2025. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/1703. Acesso em: 26 oct. 2025.