“Improve the Performance of Solar Cells Using New Designs for Pelvic Center Wheel Type V Compound Mirrors Encased by Vernil Glasses”. Baghdad Science Journal 3, no. 4 (December 1, 2006): 586–590. Accessed July 23, 2024. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/742.