Achmad Walid, Santoso Santoso, Khambali Khambali, Purwoko Purwoko. The Effect of the Number of Injector Holes and Fuel Octane Number on Motorcycle Engine Exhaust Gas Emissions . IJIIME [Internet]. 2025 Feb. 10 [cited 2025 Jun. 15];2(1):152-63. Available from: https://international.aritekin.or.id/index.php/IJIIME/article/view/181