SAGVAN QADER, V.; MOHAMMED ALI, O.; IDREES HASAN, N. An Experimental Comparison Between Fixed and Single-Axis Tracking Photovoltaic Solar Panel Performance: Zakho City as Case Study. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 28, n. 1, p. 272–279, 2023. DOI: 10.33899/rengj.2022.136292.1204. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30836. Acesso em: 7 sep. 2025.