Mohammad Ismail. “Proses Pemurnian Gas Bumi Sebagai Bahan Baku Kilang Mini”. Majalah Ilmiah Pengkajian Industri; Journal of Industrial Research and Innovation 8, no. 1 (September 13, 2023): 25–38. Accessed August 22, 2025. https://ejournal.brin.go.id/MIPI/article/view/1466.