Kamil A. Chemical Modification of Poly(Vinyl Chloride) Resin to Improve the Photostability Processes. Al-Nahrain J. Sci. [Internet]. 2018 Dec. 2 [cited 2026 May 22];21(4):1-9. Available from: https://mail.anjs.edu.iq/index.php/anjs/article/view/1978