N. L. B. Hairei and N. H. Mohammad Radzi, “Development of an Off-Grid Photovoltaic (OGPV) System for Residential House Educational Kit”, EEEE, vol. 4, no. 2, pp. 647–654, Oct. 2023, Accessed: Apr. 08, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/12684