Matondang, D. R. H., Rimawa, & 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), 21–27. Retrieved from https://sinergijournal.id/index.php/sjcds/article/view/154