Dermawan, Dedi, Agus Mulyadi, and Sajidi Wardana. “Cost Model of Activity Oriented Municipal Solid Waste Management: Integration of Activity Based Costing/Management and Causal Loop Diagram”. Spektrum Industri 23, no. 2 (October 31, 2025): 176–191. Accessed November 3, 2025. https://journal3.uad.ac.id/index.php/spektrum/article/view/445.