“Synthesis of New Polyester-Amides from Polyvinyl Alcohol and Convert Some of Them to Polyester-Imide”, ANJS, vol. 14, no. 2, pp. 29–42, Jun. 2011, Accessed: Nov. 21, 2024. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/870