AL Na'ima and Gadis Meinar Sari, NIDN. 0004056612 and Dwikora Novembri Utomo, NIDN. 8897700016 (2019) Combination effect of core stability exercise and contract relax exercise on hamstring flexibility. IOP Conference Series: Journal of Physics (1146). pp. 1-4.

N.F. Romadhona and Gadis Meinar Sari, NIDN. 0004056612 and Dwikora Novembri Utomo, NIDN. 8897700016 (2019) Comparison of sport massage and combination of cold water immersion with sport massage on decrease of blood lactic acid level. IOP Conference Series: Journal of Physics (1146). 01-04.