Fatah, C., جرو, Mirza, T. and تۆڵە 2025. Assessment of Avroman Limestone Formation for Portland Cement Industry, Halabja Area, Kurdistan Region, NE-Iraq. Iraqi National Journal of Earth Science (INJES). 21, 2 (Jun. 2025), 29–48. DOI:https://doi.org/10.33899/earth.2021.170384.