M. Awad, Hiba, هبه, Fawzi habeeb Jabrail, and فوزی. “Study on Recycling and Characterization of Some Waste Polymers”. Journal of Education and Science (JES) 26, no. 5 (December 1, 2013): 221–232. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17171.