Teaching modern mathematics in the elementary school

Detalles Bibliográficos
Autor Principal:	Fehr, Howard Franklin, 1901-
Outros autores:	Phillips, Jo McKeeby, joint auth
Formato:	Libro
Idioma:	English
Publicado:	[Reading, Mass.] Addison-Wesley [c1967]
Subjects:	Mathematics > Study and teaching (Elementary)