PERFORMANCE OF DIFFERENT PHOTOVOLTAIC TECHNOLOGIES FOR AMORPHOUS SILICON (A-SI) AND COPPER INDIUM GALLIUM DI-SELENIDE (CIGS) PHOTOVOLTAIC MODULES. J. eng. sustain. dev. [Internet]. 2022 Jan. 1 [cited 2024 Apr. 27];26(1):95-105. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/17