Ibrahim MA, Akbar A. Revolutionizing Fuel Efficiency with Optimal Octane Mixtures. ijins [Internet]. 2024Apr.17 [cited 2024Dec.4];25(2):DOI 10.21070/ijins.v25i2.1118. Available from: https://ijins.umsida.ac.id/index.php/ijins/article/view/1118