Cover image for Scientific method in supervision : the second yearbook of the National Conference of Supervisors and Directors of Instruction
Title:
Scientific method in supervision : the second yearbook of the National Conference of Supervisors and Directors of Instruction
Author:
National Conference on Educational Method.
Publication Information:
New York : Bureau of Publications, Teachers College, Columbia University, 1929.
Physical Description:
307 pages : illustrations, forms ; 23 cm
Language:
English
Format :
Book