“Dielectric Permittivity, Loss Factor and Ac. Conductivity of (Epoxy Ferrous Sulfide) Composites. ”. University of Thi-Qar Journal of Science 5, no. 3 (May 8, 2019): 113–119. Accessed May 4, 2024. https://jsci.utq.edu.iq/index.php/main/article/view/169.