Asminah, Ninin, Elli Prasetyo, and Indah Dhamayanthie. “Evaluation of Optimal Time Blending Process on Medripal 412 And Prima XP SAE 20W – 50 Samples With Homogenity Test”. Gema Wiralodra 14, no. 2 (July 5, 2023): 681–687. Accessed October 16, 2024. https://gemawiralodra.unwir.ac.id/index.php/gemawiralodra/article/view/431.