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

Autor:	Fredland, Elliott D.
Zdroj:	The Mathematics Teacher, 1965 May 01. 58(5), 454-454.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27957186 Zobrazit plný text záznamu