Barus, Julius Boy Nesra Basgimata, et al. “HIIT Training Mentoring to Improve Speed and Agility for MMA Athletes at Camp Monster Karo”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, vol. 7, no. 2, July 2026, pp. 3148-59, doi:10.36526/gandrung.v7i2.8462.