1.
مهدي يونس الخفاجي و. The Effect of Using Learning Cycle on the Acquisition of Biological Concepts by First Year Students Science Department/College of Basic Education- Mosul University. BERJ [Internet]. 2010 Dec. 1 [cited 2025 Oct. 26];9(4):101-30. Available from: https://moss.uomosul.edu.iq/index.php/berj/article/view/38206