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Comparative analysis of the use of space in 7-a-side and 8-a-side soccer: how to determine minimum sample size in observational methodology
(Motricidade, 2015)In 2011-2012, the Spanish Soccer Federation changed the format of junior championship matches played between regional-level teams in Spain from a 7-a-side to an 8-a-side format. Soon afterwards, the regional federations ...
