Galatang, Alprodit, 		Alex Pangkahila, Jahja, 		Ngurah Nala, I Gusti, AND 		Tirtayasa, Ketut.
" INTERVAL RUNNING EXERCISE REDUCES RUNNING TIME OF 800 METERS DASH WITHOUT CAUSING INCREASED LEVEL OF SGOT – SGPT IN MALE STUDENTS OF THE FACULTY OF SPORTS SCIENCES, MANADO STATE UNIVERSITY" <em>INDONESIAN JOURNAL OF BIOMEDICAL SCIENCES</em> [Online], (26 November 2012)