Purwani, I Gusti Ayu Mega, 		Tianing, Ni Wayan, AND 		Griadhi, I Putu Adiartha.
"THE ABDOMINAL DRAWING-IN MANEUVER AS WELL AS CORE STRENGTHENING EXERCISE IN IMPROVING THE POWER OF CORE MUSCLE ON SMAN 1 GIANYAR STUDENTS" <em>Majalah Ilmiah Fisioterapi Indonesia</em> [Online], Volume 5 Number 3 (15 May 2018)