Imam Taufik Harahap, Dian Eriani, Syah Iskandar, Mailina Harahap, and Ismatur Rahmi. “Effectiveness of Environmental Law Enforcement Against Industrial Waste Pollution: Problems of Supervision, Compliance, and Sanction Implementation”. Britain International of Humanities and Social Sciences (BIoHS) Journal 8, no. 2 (June 30, 2026): 199a-207a. Accessed October 5, 2026. http://www.biarjournal.com/index.php/biohs/article/view/1557.