UTAMI, Anggun Dwi. An Evaluation of Green School Program at SMA Negeri 1 Selong as a Preparation Towards a Swaliba School. Sumatra Journal of Disaster, Geography and Geography Education, [S. l.], v. 2, n. 1, p. 177–183, 2018. DOI: 10.24036/sjdgge.v2i1.126. Disponível em: http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/126. Acesso em: 3 nov. 2026.