TY  - BOOK
AU  - Kerlinger, Fred N.
TI  - Foundations of behavioral research: educational and psychologica l inquiry 
U1  - 370.18 KER 
PY  - 1969///, repr. 1970
CY  - London
PB  - Holt, Rinehart & Winston
KW  - Educational psychology
KW  - Psychological research
ER  -