Annas, Faris Budiman, Djuara P. Lubis, Dwi Retno Hapsari, and Sumardjo Sumardjo. 2025. “Action-Based Learning in Environmental Education for Elementary School Students Through Ecotourism”. Proceedings Series on Social Sciences & Humanities 25 (August):771-78. https://conferenceproceedings.ump.ac.id/pssh/article/view/1788.