An introduction to the scientific study of classroom supervision /

Bibliographic Details

Main Author:	Barr, A. S. (Arvil Sylvester), 1892-1962
Format:	Book
Language:	English
Published:	New York, London : D. Appleton and company, [1931]
Series:	Appleton series in supervision and teaching.
Subjects:	School management and organization. School superintendents. Teaching.