Ahmed Al-Badrani, O., رزکار, Abdulkarim Abdula, R., & عمر. (2025). Stratigraphical Position of Piran Limestone Unit in Piran Area, Erbil Governorate, Kurdistan Region, Iraq: Insights from Occurrence of Calcareous Nannofossils. Iraqi National Journal of Earth Science (INJES), 23(2), 37–46. https://doi.org/10.33899/earth.2023.138635.1049