Ferenc, Ivana, and Josef Oborný. “FITNESS AND BODYBUILDING AS A PHYSICAL ACTIVITY AND ITS IMPORTANCE FOR PHYSICAL DEVELOPMENT, PHYSICAL FITNESS AND MENTAL WELLBEING”. Advances in Social Sciences Research Journal 6, no. 2 (February 10, 2019): 112–122. Accessed May 19, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/6135.