Syauqi, Rifat. “Analisis Kualitas Biosolar Berdasarkan Sifat Korosi Dan Kebersihannya”. Swara Patra : Majalah Ilmiah PPSDM Migas 15, no. 1 (March 16, 2025): 1–10. Accessed June 6, 2025. https://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/705.