Sita Agustina Siahaan. “Study of Environmental Law Policy in Waste Management”. International Journal of Research in Social Science and Humanities (IJRSS) ISSN:2582-6220, DOI: 10.47505/IJRSS 3, no. 2 (February 16, 2022): 20–25. Accessed May 4, 2024. https://www.ijrss.org/index.php/ijrss/article/view/142.