Ammar J. Aswad, N. K. Hassan, Adnan R. Ahmed. “Improvement Solar Cell Based on CIGSSe by a FORS-HET Software”. Annals of the Romanian Society for Cell Biology 25, no. 6 (May 25, 2021): 4314 –. Accessed April 19, 2024. https://www.annalsofrscb.ro/index.php/journal/article/view/6264.