Demanson Ornansah Sinaga, Novandri Kusuma Wardana, & Erry Sumarjono. (2023). 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. Retii, 18(1), 223-228. Diambil dari //journal.itny.ac.id/index.php/ReTII/article/view/4204