Pavlova, Emilia, and Galina Uzunova. “A COMPARISON OF THE PWC170 BETWEEN VOLLEYBALL AND SOCCER PLAYERS FROM ADAPTED MARGARIA AEROBIC STEP TEST”. Jurnal Sains Sukan & Pendidikan Jasmani 3, no. 1 (December 28, 2014): 34–44. Accessed July 22, 2024. https://ejournal.upsi.edu.my/index.php/JSSPJ/article/view/640.