Girls' perception of physical environmental factors and transportation: reliability and association with physical activity and active transport to school
Kelly R. Evenson, Amanda S. Birnbaum, Ariane L. Rung, James Sallis, Carolyn C. Voorhees, Kimberly Ring, John P. Elder (2006). Girls' perception of physical environmental factors and transportation: reliability and association with physical activity and active transport to school. International Journal of Behavioral Nutrition and Physical Activity, 3(1), DOI: 10.1186/1479-5868-3-28.
