Mohd Nordin, Ahmad Syahmi, and Ahmad Fateh Mohamad Nor. “Development of Graphical User Interface (GUI) Platform for Sizing A Grid-Connected Photovoltaic (PV) System”. Evolution in Electrical and Electronic Engineering, vol. 1, no. 1, Oct. 2020, pp. 15-24, https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/114.