Characteristic and Significant Differences between X and Z Pupils in the Detroit Public Schools

Autor:	Engel, Anna M.
Zdroj:	The Elementary School Journal, 1924 Jun 01. 24(10), 747-754.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/994816 Zobrazit plný text záznamu