Eslera, J. ., M. . Batacao, L. . Roluna, H. . Enares, H. M. . Burao, and L. A. . Tumbaga. “Maintenance, Repair, and Overhaul”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 2, no. 1, Apr. 2020, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2392.