Preparation of the child for modernization skills and intellectual requirements

Библиографические подробности
Главный автор: Mandl, Pierre-Emeric
Соавтор: United Nations. Research Institute for Social Development
Формат:
Язык:English
Опубликовано: Geneva United Nations Research Institute for Social Development 1969 .
Серии:Report/United Nations Research Institute for Social Development no.70.16
Предметы: