Mohanad Qader Kareem, Suzan Abd-allah Hassan, Maad Mohammed Ameen. Doping Effect ((COCl2.6H2O) & (CuCl2.6H2O))(2%)w/v on Optical Energy gap of (GA/PVA) composite films. Tikrit J. Pure Sci. [Internet]. 2023 Feb. 10 [cited 2025 Jun. 17];20(4):114-9. Available from: https://tjpsj.org/index.php/tjps/article/view/1222