TY  - BOOK
AU  - Sommer,Robert
AU  - Sommer,Barbara Baker
TI  - A practical guide to behavioral research: tools and techniques 
SN  - 019514208X :
U1  - 300.72 21
PY  - 2002///
CY  - New York, Oxford
PB  - Oxford University Press
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Data processing
KW  - Psychology
N1  - Previous ed.: 1997
ER  -