Preparation of the child for modernization skills and intellectual requirements

Detalles Bibliográficos
Autor principal:	Mandl, Pierre-Emeric
Autor Corporativo:	United Nations. Research Institute for Social Development
Formato:	Libro
Lenguaje:	English
Publicado:	Geneva United Nations Research Institute for Social Development 1969 .
Colección:	Report/United Nations Research Institute for Social Development no.70.16
Materias:	Education of children. Teaching > Aids and devices.