Perspectives on Mathematics Education B. Christiansen A. G. Howson M. Otte

Autor:	Booker, George
Zdroj:	Educational Studies in Mathematics, 1988 Nov 01. 19(4), 503-510.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3482275 Zobrazit plný text záznamu Full text from SpringerLink