Jaita Y, Chiangtung W. Leadership of the English Premier League Football Club Managers: A Case Study of Manchester United Football Club Management from 1986 To 2013. JOPA CRRU [internet]. 2024 Jul. 3 [cited 2025 Sep. 5];4(1):55-62. available from: https://so16.tci-thaijo.org/index.php/POPACRRU/article/view/823