Comparison of economic activity leading U.S. sports leagues - Strikalenko, E. A. (Pedagogics, psychology, medical-biological problems of physical training and sports, 2013)
Keywords: USA; economy; finances; comparison of sports; sports federation; professional sport; high performance sport; sports game; American football; icehockey; baseball; basketball; sports management; Ukraina; management and organisation of sport; sport history and sport politics; sport games