TY  - GEN
AU  - 
AU  - KERLINGER, Fred N.
TI  - Foundations of Behavioural Research
U1  - 001.4211/KER 
PY  - 1966///
CY  - NEW YORK
PB  - Holt, Rineheart and Winston
N1  - BEHAVIOURAL RESEARCH; MEASUREMENT; SAMPLING
ER  -