M. Nizam, H. Maghfiroh, M. R. A. Putra, A. Jamaluddin, and I. Inayati, “Hybrid Catenary-Battery Trains for Non-Electrified Sections and Emergency Use”, AE, vol. 8, no. 2, pp. 338–352, Sep. 2025, doi: 10.31603/ae.13440.