Amelia, Natasha, Abrori, Cholis, AND Narwanto, M. " Pengaruh Minuman Kopi terhadap VO2max dan Pemulihan Denyut Nadi pasca Melakukan Treadmill (The Influence of a Coffee Drinks to VO2max and Pulse Recovery after Doing Treadmill)" Pustaka Kesehatan [Online], Volume 3 Number 2 (4 May 2015)