alsabah, yousif, A. Elbadawi, A. , M. Abaker, R., Suliman, A. and H. Abuelhassan, H. 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 (Sep. 2022), 580–586.