Q. Abdul Sattar and T. S. Hamadi, “Dielectric Properties of Iraqi Clay; Effect of Alumina Content”, NUCEJ, vol. 12, no. 2, pp. 147–150, Mar. 2009, Accessed: Dec. 23, 2024. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/570