Pratowo, Bambang, Kunarto Kunarto, and Widi Hantoro. “Modification of Distillation Engines Using Used Oil into Diesel and Premium Fuel Using Circular Condensation”. Jurnal Indonesia Sosial Teknologi 5, no. 7 (August 5, 2024): 3598–3607. Accessed October 18, 2024. https://jist.publikasiindonesia.id/index.php/jist/article/view/1247.