MANAGEMENT OF ECOSYSTEMIC EDUCATION IN ECO-FRIENDLY SCHOOLS (A Case Study at UPT SD Negeri 2 Margodadi). j.tunas.pendidik [Internet]. 2026 Mar. 11 [cited 2026 Mar. 12];8(2):368-81. Available from: https://ejournal.ummuba.ac.id/index.php/pgsd/article/view/3955