Boonthienthong, Manat, Papon Ngamprasert, and Nattachote Rugthaicharoencheep. 2021. “The Mathematical Simulation Compared to Operations a Small Distributed Photovoltaic Power Plant in a Distribution System”. RMUTP Research Journal Sciences and Technology 15 (2). Bangkok, Thailand:194-206. https://doi.org/10.14456/jrmutp.2021.32.