M. Kurnaz, N. Khanina, L. Schwemer, R. Wijanarko, and T. Romadhona, “Effectiveness of Combined Aerobic and Anaerobic Training Programs on Improving Intermittent Endurance and Anaerobic Performance in 17-20 Year Old Padel Athletes”, JRSPS, vol. 1, no. 1, pp. 16–23, Nov. 2025.