Hadarianto Dio Febrian Nainggolan, Tastaptyani Kurnia Nufutomo, Thariq Miswary. Evaluation of the Implementation of Hazardous and Toxic Waste (B3) Management for Oil Sludge in the Petroleum Processing Industry Based on Environmental Regulations. EJPGMI [Internet]. 2026 Apr. 30 [cited 2026 Nov. 11];5(1):682-95. Available from: https://ejournal.staialamin.ac.id/index.php/pgmi/article/view/698