Hakim, A. L. R., R. L. Ambardini, W. A. Nugroho, and E. Burhaein. “Dragon Fruit Giving Effect Against Malondealdehıde (MDA) Levels in Muay Thaı Athletes With Hıgh Intensıty Interval Traınıng (HIIT) Method”. Journal of Education, Health and Sport, vol. 8, no. 10, Oct. 2018, pp. 190-8, https://apcz.umk.pl/JEHS/article/view/6224.