TY  - BOOK
AU  - Gephart,William J.
AU  - Ingle,Robert B.
TI  - Educational research: selected readings 
SN  - 0675095212 :
U1  - 370.78 
PY  - 1969///
CY  - Columbus, Ohio
PB  - C. E. Merrill
KW  - Education
KW  - Research
N1  - Includes bibliographical references
ER  -