A RESEARCH COMPANION TO PRINCIPLES AND STANDARDS FOR SCHOOL MATHEMATICS Jeremy Kilpatrick W. Gary Martin Deborah Schifter

Autor:	Howell, Jane
Zdroj:	Mathematics Teaching in the Middle School, 2003 Dec 01. 9(4), 239-239.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41181899 Zobrazit plný text záznamu