Elementary-school organization and administration.

Xehetasun bibliografikoak
Egile nagusia:	Otto, Henry John 1901-
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York Appleton-Century-Crofts [1954].
Edizioa:	3d ed.
Gaiak:	School management and organization. Education, Elementary.