Muhammad Arif Hazmi Bin Abd Aziz (2021) “Robotic Device for Cleaning and Monitoring Photovoltaic Panel Arrays”, Progress in Engineering Application and Technology, 2(2), pp. 563–575. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/1041 (Accessed: 17 August 2024).