Saleh, I. . . ., E. . Elmabrouk, and F. A. . Taher. “Design and Optimisation OF 2-D Static Solar Concentrator”. Solar Energy and Sustainable Development Journal, vol. 10, no. 1, Dec. 2021, pp. 65-75, https://jsesd-ojs.csers.ly/ojs/index.php/jsesd/article/view/112.