Mahmood A, Hamah K. The Effect of Rainwater and Cultivated Areas on Grain Crop Production in Sulaimani Governorate During 1982-2002. TANRA [Internet]. 2006 Mar. 1 [cited 2025 Sep. 10];28(81):212-28. Available from: https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/30304