عبد الحميـــد أحمـــــد الراوجــــي هيثـم. “Electrical Breakdown PhenomenaIN N-Pentane”. College of Basic Education Research Journal 1, no. 4 (December 1, 2005): 198–205. Accessed October 26, 2025. https://stats.uomosul.edu.iq/index.php/berj/article/view/38414.