Maaruf, Siti Zurina, and Siti Zuraida Maaruf. “Evaluating the Performance Levels of Fitness Components Among Sports Science Pre-University Students Using Estimated VO2max Derived”. International Journal of Academic Research in Progressive Education and Development, vol. 13, no. 2, Apr. 2024, https://ijarped.com/index.php/journal/article/view/1063.