HAMIZAN, HAIFAA AMIRA BINTI HAMIZAN, et al. “Developments of Photovoltaic System With Multi Axis Tracker Ability”. Progress in Engineering Application and Technology, vol. 5, no. 2, Nov. 2024, pp. 87-94, https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/17221.