Basic procedures in teaching arithmetic

Dades bibliogràfiques
Autor principal:	Howard, Charles Frederick (Autor)
Altres autors:	Dumas, Enoch author
Format:	Llibre
Idioma:	English
Publicat:	Boston, Massachusetts F. W. Heath & Co. [©1963].
Matèries:	Arithmetic > Study and teaching (Elementary). Arithmetic > Study and teaching.