Bustamam, Nur Haziqah, and Mohd Noor Abdullah. 2022. “Battery System Sizing for 6.9 MWp Grid- Connected Photovoltaic System in UTHM”. Evolution in Electrical and Electronic Engineering 3 (2): 425-33. https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/8644.