Moving ahead in arithmetic, book 4

Dades bibliogràfiques
Autor principal:	Merton, Elda L.
Altres autors:	Brueckner, Leo J., Grossnickle, Foster E.
Format:	Llibre
Idioma:	English
Publicat:	New York Holt, Rinehart and Winston c1963.
Matèries:	Arithmetic > Study and teaching. Arithmetic > Problems, exercises, questions. Arithmetic > Juvenile work.