Asim Ameer Fadhil, Ukla Sulaiman Al-houry. The effectiveness of a psychological-sports program to reduce aggression, anger and stubbornness among primary school students. ms [Internet]. 2021 Mar. 30 [cited 2024 Dec. 20];20(1):0143-57. Available from: https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/682