Representations of Proportional Relationships: Are Children Part-Part or Part-Whole Reasoners?

Autor:	Singer, Janice Ann, Resnick, Lauren B.
Zdroj:	Educational Studies in Mathematics, 1992 Jun 01. 23(3), 231-246.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3482774 Zobrazit plný text záznamu Full text from SpringerLink