SHANAY RAJAB HASAN; SAYGIN M. NURI. Studying The Characteristic Parameters and External Freedom Degree of Polyethylene in different Molecular Weights By Hole Theory. Tikrit Journal of Pure Science, [S. l.], v. 25, n. 5, p. 78–82, 2020. DOI: 10.25130/tjps.v25i5.294. Disponível em: https://www.tjpsj.org/index.php/tjps/article/view/294. Acesso em: 26 oct. 2025.