The intelligence of a people

Manylion Llyfryddiaeth
Prif Awdur:	Calhoun, Daniel Hovey
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Princeton, N.J. Princeton University Press [c1973]
Pynciau:	Intelligence levels > New York (State) Cognition in children. New York (State) > Social conditions.