“Optical Properties and Morphological Study of New Films Derived From Poly(Vinyl Chloride)-Phenyl Phrine HCl Acid Complexes”, ANJS, vol. 19, no. 2, pp. 51–57, May 2018, Accessed: May 17, 2024. [Online]. Available: https://www.anjs.edu.iq/index.php/anjs/article/view/232