Subekti, Nur, Amar Abdullah Dani Arni Raihan, Muhammad Hafif, and Agam Akhmad Syaukani. 2023. “The Effect of the High-Intensity Interval Training Program in Increasing VO²max Capacity and Heart Rate Recovery”. JOSSAE (Journal of Sport Science and Education) 7 (2):127-35. https://doi.org/10.26740/jossae.v7n2.p127-135.