Yusof, Muhammad Mat, Ruzelan Khalid, Tajularipin Sulaiman, Mohamad Shukri Abdul Hamid, Rosnalini Mansor, and Nurzahidah Che Rosli. 2017. “E-Compare of Soccer Tournament Structures”. International Review of Management and Marketing 6 (8S):294-98. https://econjournals.com./index.php/irmm/article/view/4063.