Preparation of the child for modernization skills and intellectual requirements

Xehetasun bibliografikoak
Egile nagusia: Mandl, Pierre-Emeric
Erakunde egilea: United Nations. Research Institute for Social Development
Formatua: Liburua
Hizkuntza:English
Argitaratua: Geneva United Nations Research Institute for Social Development 1969 .
Saila:Report/United Nations Research Institute for Social Development no.70.16
Gaiak: