Mirlau, Romario, et al. “Pengaruh Interval Training Terhadap Kemampuan Middle Kick Atlet Muaythai Club Pattimura Ambon”. Jurnal Speed (Sport, Physical Education, Empowerment), vol. 4, no. 02, Feb. 2022, pp. 110-5, doi:10.35706/jurnalspeed.v4i02.5797.