“Study the Rate Constant of Photostabilization of PVC in Presence of Schiff’s Bases of Sulphamethoxazole”, ANJS, vol. 17, no. 4, pp. 39–43, Jun. 2018, Accessed: Apr. 27, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/375