Khairuddin, Sheikh Muhamad Hizam Sheikh, Firdaus Hilmi Nadzri, Fransiskus Tatas Dwi Atmaji, Anna Annida Noviyanti, and Widia Juliani. 2018. “IMPLEMENTATION OF MAINTENANCE SCENARIO FOR CRITICAL SUBSYSTEM IN AIRCRAFT ENGINE Case Study: NTP CT7 Engine”. International Journal of Innovation in Enterprise System 2 (1):50-59. https://ijies.telkomuniversity.ac.id/index.php/IJIES/article/view/17.