Demanson Ornansah Sinaga, Novandri Kusuma Wardana, Erry Sumarjono. Analysis of the Use of 80% Waste Oil in Products HiMEX70 on the Quality of Blasting Results at PT Petrosea Jobsite Kideco Jaya Agung East Kalimantan. Prosiding Seminar Nasional ReTII [Internet]. 2023Nov.11 [cited 2024Nov.23];18(1):223-8. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/4204