Zeki Sulayman Al-Haleem, N., and نعمان. “Thermal Analysis of Interpenetrating Networks (IPNs) of Epoxy Resin and N-2 Phenyl Maleamic Acid”. Journal of Education and Science (JES), vol. 26, no. 2, June 2013, pp. 1-15, doi:10.33899/edusj.2013.89794.