Anh, An Thi Hoai Thu, and Tran Hung Cuong. 2024. “A Solution for Energy-Efficient Operation of Urban Electric Trains: Integrating Rooftop PV With the Active Rectifier in the Traction Substation”. Engineering, Technology & Applied Science Research 14 (3). Greece:13890-96. https://doi.org/10.48084/etasr.6709.