Sabah Latif Hasan, Mawahib Hameed Numan. The effect of bungee and similar physical exercises using rubber ropes on learning some skills of Backstroke for female students, third stage, College of Physical Education and Sports Sciences for Women - University of Baghdad. ms [Internet]. 2023 Dec. 30 [cited 2024 May 20];22(4):0089-97. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1194