Suriandjo, Hendrik, et al. “Sustainable Urban Waste Management Strategies Based on System Dynamics in Manado City, North Sulawesi, Indonesia”. International Journal of Integrated Engineering, vol. 18, no. 3, Apr. 2026, pp. 227-42, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/22207.