Sevde Mavi VAR. “EXAMINATION OF MENSTRUATION INFORMATION OF THE ELITE AND SUB-ELITE FEMALE ATHLETES IN DIFFERENT BRANCHES IN TERMS OF DIFFERENT VARIANCES”. International Journal of Eurasia Social Sciences, vol. 10, no. 35, Mar. 2019, pp. 31-41, https://rrpubs.com/index.php/ijoess/article/view/1158.