Study of Mechanical, Thermal and Barrier Properties of Biodegradable Polylactic acid-Polyethylene Glycol- Alumina Nanocomposite. Iraqi Journal of Science [Internet]. 2023 Apr. 15 [cited 2024 Nov. 22];57(2C):1689-98. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10010