A Cognitive Gap between Arithmetic and Algebra

Autor:	Herscovics, Nicolas, Linchevski, Liora
Zdroj:	Educational Studies in Mathematics, 1994 Jul 01. 27(1), 59-78.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3482666 Zobrazit plný text záznamu Full text from SpringerLink