Supervising instruction in secondary schools

Detalles Bibliográficos
Autor Principal:	Hammock, Robert C. 1908-
Outros autores:	Owings, Ralph S. 1903-
Formato:	Libro
Idioma:	English
Publicado:	New York McGraw-Hill 1955.
Series:	McGraw-Hill series in education
Subjects:	School supervision, Secondary.