Zhafira, Farah. “Pra-Rancangan Used Lube Oil Plant Kapasitas 120 Ton/Hari PT. Pertamina RU IV Cilacap”. Swara Patra : Majalah Ilmiah PPSDM Migas 10, no. 2 (November 13, 2020): 27–35. Accessed November 23, 2024. https://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/257.