Saptono, T. ., S. Sumitarsih, and R. A. P. . Saleh. “The Effect of Aerobic and Anaerobic Exercise on Increasing Body Immunity Through Physical Fitness Test”. RSF Conference Series: Business, Management and Social Sciences, vol. 1, no. 4, Oct. 2021, pp. 71-76, doi:10.31098/bmss.v1i4.308.