The Arithmetic Deficiency of College Chemistry Students

Autor:	Kinzer, John R., Fawcett, Harold P.
Zdroj:	Educational Research Bulletin, 1946 May 01. 25(5), 113-140.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1474475 Zobrazit plný text záznamu