Noori aljammal, Y., R. Zaid al-Falih, and Z. Badei AL-Dabbagh. “Study of Electrical Properties of Poly Methyl Meth Acrylates (PMMA) under Different Frequencies and Temperatures”. Journal of Education and Science (JES), vol. 23, no. 3, Sept. 2010, pp. 107-28, doi:10.33899/edusj.2010.58371.