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]. 11 November 2023 [dikutip 20 Mei 2024];18(1):223-8. Tersedia pada: //journal.itny.ac.id/index.php/ReTII/article/view/4204