Ward, Dianne S. <br/><br/>
Physical activity interventions in children and adolescents 

 - Estados Unidos :   Human Kinetics,  2007 
 - 270 p. 
<br/><br/>Physical activity behavior -- Documented interventions -- Intervention design 
<br/><br/><label>ISBN: </label>9780736051323 
<br/><br/><label>Dewey Class. No.: </label> / W256