K. Haweel, Cecelia, and Saad H. Ammar. “Preparation of Polyvinyl Alcohol from Local Raw Material”. Iraqi Journal of Chemical and Petroleum Engineering 9, no. 1 (March 30, 2008): 15–21. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/425.