NCTM Standards for School Mathematics: Visions for Implementation

Autor:	Crosswhite, F. Joe, Dossey, John A., Frye, Shirley M.
Zdroj:	Journal for Research in Mathematics Education, 1989 Nov 01. 20(5), 513-522.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/749425 Zobrazit plný text záznamu