Autor:	Holtzclaw, J. D., Morris, Lee G., Pyatt, Robert, Giver, Cynthia S., Hoey, Joseph, Haynes, J. K., Gunn, Robert B., Eaton, Douglas, Eisen, Arri
Zdroj:	Journal of College Science Teaching, 2005 May 01. 34(6), 24-29.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42992375 Zobrazit plný text záznamu