ANNAS, F. B.; LUBIS, D. P.; HAPSARI, D. R.; SUMARDJO, S. Action-Based Learning in Environmental Education for Elementary School Students Through Ecotourism. Proceedings Series on Social Sciences & Humanities, [S. l.], v. 25, p. 771–778, 2025. DOI: 10.30595/pssh.v25i.1788. Disponível em: https://conferenceproceedings.ump.ac.id/pssh/article/view/1788. Acesso em: 2 sep. 2025.