DR. HARI OM KUMAR SINGH. Design and Development of a PC-Controlled Automatic Solar Tracking Robot for Enhanced Energy Efficiency. International Journal of Engineering, Science and Humanities, [S. l.], v. 1, n. 2, p. 07–11, 2011. Disponível em: https://www.ijesh.com/index.php/j/article/view/106. Acesso em: 25 sep. 2025.