The Importance of Play in Promoting Healthy Child Development and Maintaining Strong Parent-Child Bonds, Kenneth R. Ginsburg, MD, MSEd, and the Committee on Communications and the Committee on
Psychosocial Aspects of Child and Family Health, American Academy of Pediatrics, PEDIATRICS Volume 119, Number 1, January 2007 downloaddir.vancouver.bc.ca/articles/Everyonewins-teachingchildrenhowtoplayinacooperativew