1.
Hikmat Ahmed Quaba’ S. Teaching compound numbers by using Baiby sample and its impacts on the results of 6th year preparatory school students. RADAB [Internet]. 2000 Jan. 1 [cited 2025 Sep. 10];50(80):952-85. Available from: https://edusj.uomosul.edu.iq/index.php/radab/article/view/34013