f.Alhamdani, F., j.Alkhafaji, S. and m. Qaeed, aAli (2005) “Assessment of Dewkhla kaoline,Um-Radhuma sand and domestic glass waste for the preparation of chemical porcelain”, Iraqi National Journal of Earth Science (INJES), 5(2), pp. 20–35. doi: 10.33899/earth.2005.41142.