Preparation of the child for modernization skills and intellectual requirements

Détails bibliographiques
Auteur principal: Mandl, Pierre-Emeric
Collectivité auteur: United Nations. Research Institute for Social Development
Format: Livre
Langue:English
Publié: Geneva United Nations Research Institute for Social Development 1969 .
Collection:Report/United Nations Research Institute for Social Development no.70.16
Sujets: