Bok, D., J. Gulin, and C. Gregov. “ACCURACY OF THE 20-M SHUTTLE RUN TEST FOR INDIVIDUALIZING EXERCISE INTENSITY OF HIGH-INTENSITY INTERVAL TRAINING”. Kinesiology, vol. 55, no. 1, June 2023, pp. 3-12, https://hrcak.srce.hr/ojs/index.php/kinesiology/article/view/23383.