Muhammad Arif Hazmi Bin Abd Aziz, “Robotic Device for Cleaning and Monitoring Photovoltaic Panel Arrays”, peat, vol. 2, no. 2, pp. 563–575, Dec. 2021, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/peat/article/view/1041