Hassan, Jafar M., Qussai J. Abdul-Ghafour, and Mohammed F. Mohammed. “Influences of the Twisted Strips Insertion on the Performance of Flat Plate Water Solar Collector”. Al-Khwarizmi Engineering Journal 11, no. 3 (June 30, 2015): 37–47. Accessed July 4, 2026. https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/232.