Badrawada IGG, Susastriawan AAP, Pradipta Y. Effect of velocity stack geometry on the performance of 150 cc-four stroke motorcycles. Eng Appl Sci Res [Internet]. 2022 May 6 [cited 2024 May 6];49(4):587-92. Available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/247455