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.
Series: National Education Association of the United States. Dept. of Supervisors and Directors of Instruction. Yearbook -- no. 7; Yearbook (National Education Association of the United States. Dept. of Supervisors and Directors of Instruction) -- no. 7.
Publisher: Dept. of supervisors and directors of instruction National education association
Published: 1934
Place of publication: [Washington
Language: eng
Number of pages: 178
Subjects: School management and organization.