Integers (A Microworld for Integers and Algebra); Motions (A Microworld for Transformation Geometry); Num.Aids (A Number Theoretic Toolkit); and Tree. Diagram (A Microworld for Probability) Patrick W. Thompson

Autor:	Bailey, Edward R.
Zdroj:	The Mathematics Teacher, 1985 Apr 01. 78(4), 301-302.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/27964497 Zobrazit plný text záznamu