Arfin Deri Listiandi, M. Syafei, M. N. H. Kusuma, G. Y. Santiko, and Y. T. Pambudi, “Structured Training Program Assistance to Improve Cardiovascular Endurance (VO2Max) for Recreational Runners”, gandrung, vol. 6, no. 1, pp. 2251-2261, Mar. 2025.