W. W. Jameel, “Studying the Effect of Frequency on Dielectric Properties of Cu Powder reinforced Epoxy Composite Material”, NUCEJ, vol. 17, no. 1, pp. 109–113, Jan. 2014, Accessed: Dec. 23, 2024. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/213