Yousif B, Shaker S, Abdul Kadir A. Role of Using Ready-made Statistical Software in the Completion of Scientific Researches. TANRA [Internet]. 2010 Dec. 1 [cited 2025 Sep. 8];32(101):99-134. Available from: https://tanmiyat.uomosul.edu.iq/index.php/tanmiyat/article/view/30104