“Preparation of PVC Composite Using Reinforced Iraqi Bentoniet Clay As a Filler & Study Their Mechanical and Thermal Properties”. Baghdad Science Journal 9, no. 3 (September 2, 2012): 450–458. Accessed June 18, 2025. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/1383.