Ahmed Al-Badrani O, رزکار, Abdulkarim Abdula R, عمر. Stratigraphical Position of Piran Limestone Unit in Piran Area, Erbil Governorate, Kurdistan Region, Iraq: Insights from Occurrence of Calcareous Nannofossils. INJES [Internet]. 2025 Jun. 24 [cited 2025 Aug. 5];23(2):37-46. Available from: https://rjps.uomosul.edu.iq/index.php/injes/article/view/15399