alsabah, yousif, Abdelrahman A. Elbadawi, Rania M. Abaker, Abdelsakhi Suliman, and Hassan H. Abuelhassan. 2022. “Optical Properties and Efficiency Studies for Beta Vulgarize, Curcuma Longa and Vulgaris Var. Cicla Dye Sensitized Solar Cell”. International Journal of Engineering and Applied Physics 2 (3):580-86. https://ijeap.org/ijeap/article/view/92.