Briggs, Thomas H.
Improving instruction through supervision by Thomas H. Briggs and Joseph Justman - New York Macmillan 1956 - xii, 523p.
School management and organization
School superintendents and principals
P147 B768
Improving instruction through supervision by Thomas H. Briggs and Joseph Justman - New York Macmillan 1956 - xii, 523p.
School management and organization
School superintendents and principals
P147 B768
