Effects of gender, game format, and skill on ball possesion in Norwegian youth soccer - Tenga, A.; Ronglan, L. T.; Sigmundstad, E. (7th World Congress on Science and Football (WCSF), 2011, 2011)
Keywords: soccer; Norway; sex; male; female; junior elite sport; youth; juniors; competition; skill; technique; Japan; junior sports; sport games