Implications for elementary education , follow up on the 1960 White House conference on children and youth, by the elementary school section, division of state and local schools. U.S. Department of health, education and welfare... Office of education...

Détails de l'édition

Éditeur

Government printing office (Washington)

Date de publication

1 janvier 1961

Langue

eng

Pages

42

Dimensions

23 cm