Abdullah, A. A. “Investigation of Beta - Irradiation Effects on the Microstructure of Low Density Polyethylene (LDPE) Using (PALT)”. Iraqi Journal of Physics 7, no. 9 (October 1, 2009): 27–36. Accessed December 19, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/893.