Kadhim, Saif Ali, and Osama Abd AL-Munaf Ibrahim. “Improving the Thermal Efficiency of Flat Plate Solar Collector Using Nano-Fluids As a Working Fluids: A Review”. Iraqi Journal of Industrial Research 8, no. 3 (December 14, 2021): 49–60. Accessed March 29, 2024. http://ijoir.gov.iq/ijoir/index.php/jou/article/view/86.