B. Hasan, A. and A. Ali, M. (2017) “Improve Performance of Solar Cell by using Grooves which Have Semicircular Shape on The Surface by using Program (ZEMAX)”, Ibn AL- Haitham Journal For Pure and Applied Sciences, 29(1). Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/77 (Accessed: 23 May 2022).