Kukic, Filip, Velimir Jeknic, J Jay Dawes, Robin Marc Orr, Milos Stojkovic, and Aleksandar Cvorovic. 2019. “Effects of Training and a Semester Break on Physical Fitness of Police Trainees”. Kinesiology 51 (2):161-69. https://hrcak.srce.hr/ojs/index.php/kinesiology/article/view/6696.