Current researh in elementary school mathematics

Detalles Bibliográficos
Autor principal:	Ashlock, Robert B. 1930-
Otros Autores:	Herman, Wayne L. joint comp
Formato:	Libro
Lenguaje:	English
Publicado:	[New York] Macmillan c1970.
Materias:	Mathematics > Study and teaching (Elementary). Mathematical research.