TY  - BOOK
AU  - Mcashan,Hildreth Hoke
TI  - Elements of educational research  / 
U1  - 370.78 MCA  
PY  - 1963///.
CY  - New York : 
PB  - Mcgraw-Hill Book Company, Inc., 
KW  - Education--Research
KW  - Nature--Research
KW  - Scientific Research
KW  - Research disign
N1  - Includes index.
ER  -