Khompakorn Limpasutirachata. (1995) Effect of duration and number of repetition of passive static stretching on hamstring muscle flexibility. Mahidol University,:ม.ป.ท.Khompakorn Limpasutirachata. 1995. Effect of duration and number of repetition of passive static stretching on hamstring muscle flexibility. ม.ป.ท.:Mahidol University,;Khompakorn Limpasutirachata. Effect of duration and number of repetition of passive static stretching on hamstring muscle flexibility. ม.ป.ท.:Mahidol University, 1995. Print.