Shehab, Y., یوسف, H. Al Wahab, هیثم, H. Al-Bakri, and هدى. “Effect of Geometrical Arrangement on the Electrical Conductivity of Some Successive Polymers (Para- Polyamide - Meta Polyamide)”. Journal of Education and Science (JES), vol. 17, no. 2, June 2005, pp. 1-11, doi:10.33899/edusj.2005.81211.