Ai Choo, Lee, Mohd Yusof Baharudin, Fairus Fariza Zainudin, and Mohansundar Sankaravel. 2018. “A Preliminary Study on Injury Risk Factors of Perak Athletes”. International Journal of Engineering & Technology 7 (4.15): 173-77. https://doi.org/10.14419/ijet.v7i4.15.21441.