Saputra, L., and P. Indika. “Adaptasi Fisiologis Volume Oksigen Maksimal (vo2maks) Pada Penyelam”. JURNAL STAMINA, Vol. 3, no. 12, Dec. 2020, pp. 821-3, http://stamina.ppj.unp.ac.id/index.php/JST/article/view/695.