A Preliminary Study of Questions Which Adolescents Find Unanswerable

Autor:	Lawton, George
Zdroj:	The Journal of Experimental Education, 1938 Dec 01. 7(2), 99-104.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/20150546 Zobrazit plný text záznamu