Chapter 5 : Area in the Middle and Later Elementary Grades

Autor:	Barrett, Jeffrey E., Cullen, Craig J., Miller, Amanda L., Eames, Cheryl L., Kara, Melike, Klanderman, David
Zdroj:	Journal for Research in Mathematics Education. Monograph, 2017 Jan 01. 16, 105-128.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26858805 Zobrazit plný text záznamu