Muhamad Hazriq Bin Hamzah, Nor Aira Binti Zambri. Portable Water Cooler using Solar System. peat [Internet]. 2024 Nov. 25 [cited 2026 Apr. 7];5(2):196-203. Available from: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/17328