The "New" Math for Teachers and Parents of Elementary School Children Charles M. Barker, Jr. Helen Curran Mary Metcalf

Autor:	JUNGST, DALE G.
Zdroj:	The Arithmetic Teacher, 1965 Apr 01. 12(4), 294-295.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41187067 Zobrazit plný text záznamu