Anwar, S., F. Saeed, M. S. Irfan, M. B. Manzoor, and S. Naseem. 2015. “UV-Degradation Study of PPRC/EPDM Rubber Blends”. Journal of the Pakistan Institute of Chemical Engineers 43 (1):57-66. https://www.piche.org.pk/journal/index.php/jpiche/article/view/180.