Zufar, Muhammad Nafidz, Beni Setya Nugraha, and Sudarwanto. 2024. “Periodic Maintenance Analysis Of Locomotive Series CC201 And CC203 Using Markov Chain Method at UPT.Balaiyasa Yogyakarta”. Journal of Automotive and Mechanical Applied Technology 1 (1):45-52. https://journal.uny.ac.id/publications/jamat/article/view/816.