AUGUSTYN, Krzysztof, ZUBIK, Mateusz and BIENIEK, Paweł. THE MEANING OF A TRAINERS PROFESSION DEREGULATION IN NOWADAYS SPORT. Ekonomia i Prawo. Economics and Law. Online. 30 June 2014. Vol. 13, no. 2, pp. 245-258. [Accessed 27 July 2024]. DOI 10.12775/EiP.2014.018.