Physical education's contribution to daily physical activity among middle school youth

Alderman, Brandon L ; Benham-Deal, Tami ; Beighle, Aaron ; Erwin, Heather E ; Olson, Ryan L

Pediatric exercise science, 2012-11, Vol.24 (4), p.634-648 [Periódico revisado por pares]

United States: Human Kinetics

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