Changes in Physical Activity Beliefs and Behaviors of Boys and Girls Across the Transition to Junior High School

Garcia, Anne W ; Pender, Nola J ; Antonakos, Cathy L ; Ronis, David L

Journal of adolescent health, 1998-05, Vol.22 (5), p.394-402 [Periódico revisado por pares]

New York, NY: Elsevier Inc

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