Pratowo B, Kunarto K, Hantoro W. Modification of Distillation Engines Using Used Oil into Diesel and Premium Fuel Using Circular Condensation. jist [Internet]. 2024Aug.5 [cited 2024Oct.18];5(7):3598-607. Available from: https://jist.publikasiindonesia.id/index.php/jist/article/view/1247