Almalih, Alhusayn, A. K. Azab, and M. ElFaisal ElRefaie. “An Experimental Investigation of Optimizing a Water-Based Photovoltaic Thermal (PVT) System through Reduced Tube Spacing”. Engineering, Technology & Applied Science Research 15, no. 5 (October 6, 2025): 26323–26329. Accessed May 5, 2026. https://etasr.com/index.php/ETASR/article/view/12227.