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. DOI: 10.30595/pssh.v25i.1703. Disponível em: http://conferenceproceedings.ump.ac.id/pssh/article/view/1703. Acesso em: 6 jul. 2026.