Shehab, Yousef, یوسف, Haitham Al Wahab, هیثم, Huda Al-Bakri, and هدى. 2005. “Effect of Geometrical Arrangement on the Electrical Conductivity of Some Successive Polymers (Para- Polyamide - Meta Polyamide)”. Journal of Education and Science (JES) 17 (2):1-11. https://doi.org/10.33899/edusj.2005.81211.