“Study the Rate Constant of Photostabilization of PVC in Presence of Schiff’s Bases of Sulphamethoxazole”. Al-Nahrain Journal of Science 17, no. 4 (June 24, 2018): 39–43. Accessed November 21, 2024. https://mail.anjs.edu.iq/index.php/anjs/article/view/375.