Character Building of Environmental Care Through the Utilization of Used Goods at SMP Negeri 9 Samarinda. Jurnal Ilmiah Mandala Education, [S. l.], v. 12, n. 4, p. 1409–1418, 2026. DOI: 10.58258/q27xa934. Disponível em: https://ejournal.mandalanursa.org/index.php/JIME/article/view/11530. Acesso em: 12 oct. 2026.