Nizam, Muhammad, Hari Maghfiroh, Mufti Reza Aulia Putra, Anif Jamaluddin, and Inayati Inayati. “Hybrid Catenary-Battery Trains for Non-Electrified Sections and Emergency Use”. Automotive Experiences 8, no. 2 (September 25, 2025): 338–352. Accessed September 30, 2026. https://coba.unimma.ac.id/AutomotiveExperiences/article/view/13440.