Ramadhan, Rocky, 		Wibisana, Muh., AND 		Kresnapati, Pandu.
" Perbandingan Interval Training dan Circuit Training Terhadap Peningkatan Daya Tahan Anaerobic" <em>Gerak: Journal of Physical Education, Sports, and Health</em> [Online], Volume 2 Number 1 (31 January 2022)