Matondang, D. R. H., Rimawa and Sumaiya (2026) “Waste Management Education Through the Upcycle Method to Increase Environmental Awareness in SMP Muhammadiyah 17 Ciputat”, Synergy: Journal of Community Development and Social Cohesion, 2(1), pp. 21–27. Available at: https://sinergijournal.id/index.php/sjcds/article/view/154 (Accessed: 15 June 2026).