P. Samosir, Agunan. “Management of Waste Treatment As an Alternative Energy Source and Its Fiscal Support”. Information Management and Business Review 11, no. 1 (June 15, 2019): 1–12. Accessed October 25, 2026. https://amhinternational.com/imbr/article/view/544-management-of-waste-treatment-as-an-alternative-energy-source-and-its-fiscal-support.