Lambongang, Joe Yenube, and Piyada Suwanpinij. “Materials Characterization Techniques for the Analyses of Components of Port Fuel Injectors”. Applied Science and Engineering Progress 13, no. 1 (February 19, 2020): 48–55. Accessed May 21, 2024. https://ph02.tci-thaijo.org/index.php/ijast/article/view/240007.