“Geochemical Assessment of Oligocene Limestone for Conceivable Use as Raw Material for Portland Cement in Sangaw Area, Iraqi Kurdistan: Geochemical Assessment of Oligocene Limestone for Conceivable Use as Raw Material for Portland Cement in Sangaw Area, Iraqi Kurdistan” (2024) Tikrit Journal of Pure Science, 29(3), pp. 39–46. doi:10.25130/tjps.v29i3.1601.