Ramos , E., Pinto Junior , T., Silva , R., Uchoa , G., Rodrigues , V., & Rodrigues , G. (2017). Comparative study of synthetic and semi-synthetic lubricating oils and their lubricating capacities. ITEGAM-JETIA, 2(8). Retrieved from https://itegam-jetia.org/journal/index.php/jetia/article/view/147