Pa, W. A. M. W. ., N. . Salamuddin, N. M. . Zin, and D. K. C. . Lian. “THE EFFECT OF SPORTS MASSAGE TOWARDS CORTISOL AND PRE-COMPETITION ANXIETY AMONG MALAYSIAN ELITE TENNIS ATHLETE”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 1518-2, https://cibgp.com/au/index.php/1323-6903/article/view/1056.