A Performance Study of the Prototype Fixed, Open-Loop and Closed-Loop Solar Cell Tracking Systems. Iraqi Journal of Science, [S. l.], v. 63, n. 7, p. 2935–2944, 2022. DOI: 10.24996/ijs.2022.63.7.17. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5076.. Acesso em: 14 apr. 2025.