Mohammed, Zuhair, and Saad Jalil. “Experimental Investigation of the Optimum Angle for the Hybrid PV T Collector”. Anbar Journal of Engineering Science 13, no. 1 (May 15, 2022): 1–12. Accessed July 7, 2025. https://ajes.uoanbar.edu.iq/index.php/ajes/article/view/546.