Scientific method in supervisory programs
Subtitle: the seventh yearbook of the Department of supervisors and directors of instruction in the National education association
By: by a committee of the department, Paul T. Rankin, chairman.
Contributors: Rankin, Paul Tory, 1897-
Publisher: Teachers college, Columbia university
Published: 1934
Place of publication: New York
Language: eng
Number of pages: 194
Subjects: School superintendents and principals.; School management and organization.