Age-Appropriate Leisure Materials for Students with Severe Disabilities

Blackbourn J. M. Blackbourn V. A. , & McLeod N. (1986). The effect of toys and play materials on social interaction and play behavior of young children. Paper presented at the Mid-South Educational Research Association 15th annual meeting, Memphis, TN.

Sutton-Smith B. (1967). The role of play in cognitive development. Young Children, 22, 361–370.