TY  - BOOK
AU  - Sax,Gilbert
AU  - 
TI  - Foundations of educational research. 
U1  - 370.78/SAF 
PY  - 1970///
CY  - New Jersey,
PB  - .Prentice- Hall.
KW  - Education
KW  - Education- Research
N1  - Includes index
ER  -