Teaching modern mathematics in the elementary school

Detalles Bibliográficos
Autor principal:	Fehr, Howard Franklin, 1901-
Otros Autores:	Phillips, Jo McKeeby, joint auth
Formato:	Libro
Lenguaje:	English
Publicado:	[Reading, Mass.] Addison-Wesley [c1967]
Materias:	Mathematics > Study and teaching (Elementary)