Afrah Baqir, Luma Sameer, Muslim Mohammed. Job absorption and its relationship with the spirit of challenge of some volleyball coaches from the players’ point of view. ms [Internet]. 2021 Sep. 30 [cited 2024 May 4];20(3):0001-12. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/838