Mr. Mahendra Singh. “Design and Implementation of a PC-Controlled Dual-Axis Solar Tracking Robot for Maximized Photovoltaic Efficiency”. International Journal of Engineering, Science and Humanities 2, no. 4 (October 3, 2012): 01–05. Accessed September 25, 2025. https://www.ijesh.com/index.php/j/article/view/149.