“Changes of Aim and Objective System of Swimming in the View of Requirements of Today’s Society - New Aims, Objectives and Concepts: Recreation and Adaptation Swimming”. Training and Practice : Journal of Educational Sciences 6, no. 2-3 (December 28, 2008): 36–44. Accessed December 5, 2025. https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/5386.