أ.د. نجلاء عباس زح. The effect of using the bubble mental map on learning the skills of preparation and receiving transmissions in female students volleyball. ms [Internet]. 2020 Dec. 30 [cited 2024 Dec. 25];19(4):0049. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/640