Sukarno, Siti Nurzulaika, Mohd Zainuri Saringat, Aida Mustapha, and Nazim Razali. 2021. “Comparative Study of Football Team Rating System Using Elo Rating and Pi-Rating for Switzerland Super League”. Applied Information Technology And Computer Science 2 (2): 1390-1405. https://publisher.uthm.edu.my/periodicals/index.php/aitcs/article/view/2248.