oglah Sulaiman Al-Hori O, Khaled Humam W. Building a scale for the phenomena (positive and negative) of the ultras groups from the point of view of the coaches of the Iraqi Premier League football clubs. BERJ [Internet]. 2023 Aug. 1 [cited 2025 Oct. 26];19(21):344-65. Available from: https://moss.uomosul.edu.iq/index.php/berj/article/view/38709