Hawar Maasoum Aziz, and Dr. Ukla Sulaiman Al-houry. “Psychological Flow and Its Relation to the Personal Characteristics of Members of Youth Centers in Dohuk Governorate”. Modern Sport (May 31, 2021). Accessed May 4, 2024. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/720.