Abdul Nour, S. 2014. Study of Intermolecular Interaction Between Polyacrylonitrile and Amphoteric Surfactant (Betaine) in Dimethylformamide Medium. Asian Journal of Chemistry. 26, 15 (Jul. 2014), 4810–4814. DOI:https://doi.org/10.14233/ajchem.2014.16246.