Helping teachers understand principals.

Xehetasun bibliografikoak
Egile nagusia:	Yauch, Wilbur Alden 1904-
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	New York Appleton-Century-Crofts [c1957].
Saila:	Current problems in education
Gaiak:	School management and organization.