“Investigation of Beta - irradiation effects on the microstructure of Low Density Polyethylene (LDPE) using (PALT)”, IJP, vol. 7, no. 9, pp. 27–36, Oct. 2009, Accessed: May 15, 2024. [Online]. Available: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/893