Thanoon H, Al-Bakri H, Salih H. Preparation and study of the effect of binary doping on the electrical and optical properties of polyamide. JES [Internet]. 2018 Dec. 28 [cited 2025 Sep. 10];27(4):157-75. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41924