HASSAAN TH. H. THABE. Design and Implementation of a Two Axis Solar Tracking System: Using PLC Techniques for Measuring Solar Radiation by an Inexpensive Method. PROSPECTIVE RESEARCHES, [S. l.], n. 45, p. 11–28, 2023. Disponível em: https://pr.hu.edu.iq/index.php/pr/article/view/277. Acesso em: 17 may. 2025.