Azcárate, U., J. Yanci, and A. Los Arcos. “Differentiated Perceived Match Load and Its Variability According to Playing Position in Professional Soccer Players During an Entire Season”. Kinesiology, vol. 52, no. 01, Apr. 2020, pp. 103-8, https://hrcak.srce.hr/ojs/index.php/kinesiology/article/view/6374.