Teaching modern mathematics in the elementary school

Bibliografiske detaljer
Hovedforfatter:	Fehr, Howard Franklin, 1901-
Andre forfattere:	Phillips, Jo McKeeby, joint auth
Format:	Bog
Sprog:	English
Udgivet:	[Reading, Mass.] Addison-Wesley [c1967]
Fag:	Mathematics > Study and teaching (Elementary)