Supervision principles and practices in the improvement of instruction

Bibliographic Details
Main Author: Barr, Arvil Sylvester 1892-
Other Authors: Burton, William Henry 1890-, Brueckner, Leo John 1890-
Format: Book
Language:English
Published: New York, London D. Appleton Century company, incorporated [c1938].
Series:Half-title: Appleton series in supervision and teaching: ed. by A.S. Barr and W.H. Burton
Subjects: