Preparation of the child for modernization skills and intellectual requirements

Bibliografische gegevens
Hoofdauteur: Mandl, Pierre-Emeric
Coauteur: United Nations. Research Institute for Social Development
Formaat: Boek
Taal:English
Gepubliceerd in: Geneva United Nations Research Institute for Social Development 1969 .
Reeks:Report/United Nations Research Institute for Social Development no.70.16
Onderwerpen: