An Experimental Study of Methods of Instruction in Spelling

Autor:	Guiler, W. S., Lease, Gilbert A.
Zdroj:	The Elementary School Journal, 1942 Dec 01. 43(4), 234-238.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/996903 Zobrazit plný text záznamu