The impact of using surgical masks and non-masks when exercising on heart rate, calories and VO2max during the Covid-19 pandemic - Nugraha, A. D.; Yudanto, Y.; Bahri, S. (Jurnal SPORTIF: Jurnal Penelitian Pembelajaran, 2021)
Keywords: O2-uptake; maximum; heart rate; energy metobolism; metabolism; endurance; aerobic; load; training; relation; test; Indonesia; training science; endurance sports