Matondang, Dinda Raudya Hafiza, et al. “Waste Management Education Through the Upcycle Method to Increase Environmental Awareness in SMP Muhammadiyah 17 Ciputat”. Synergy: Journal of Community Development and Social Cohesion, vol. 2, no. 1, May 2026, pp. 21-27, https://sinergijournal.id/index.php/sjcds/article/view/154.