The role of the self / Peter R.E. Crocker, Kent C. Kowalski, Valerie Hadd
Youth with movement difficulties / Janice Causgrove Dunn, Donna L. Goodwin
The family / Brian E. Saelens, Jacqueline Kerr
Peers / Alan L. Smith, Meghan H. McDonough
Physical activity levels during the school day / Gareth Stratton, Stuart J. Fairclough, Nicola D. Ridgers
Youth physical activity and sedentary behavior : challenges and solutions. ISBN 9780736065092. Published by Human Kinetics in 2008. Publication and catalogue information, links to buy online and reader comments.