Innovation in play environments
International Playground AssociationWorld Congress7th1978Carleton University.
Wilkinson, Paul F.
London Croom Helm
1980
'... essay from papers givn at the Seventh World Congress of the International Playground Association [held in 1978, at Carleton University in Ottawa]' - jacket
Also published: New York : St Martin's Press, 1980
Includes bibliographies and index
Playgrounds