OPPORTUNITIES AND RESPONSIBILITIES OF SUPERVISION.—(IV.)

Autor:	Summers, Arthur E., Whitcher, George S., Hall, Otis E., Leyman, Jonas, Holmes, G. H.
Zdroj:	The Journal of Education, 1912 Jan 01. 751 (1861), 13-14.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42822023 Zobrazit plný text záznamu