TY  - BOOK
AU  - Eckhardt, Kenneth W.
AU  - Ermann, M. David
TI  - Social research methods: perspective, theory, and analysis
SN  - 0-394-31256-2
U1  - 300.72 ECK-; 
PY  - 1977///
CY  - New York
PB  - Random House
KW  - Social sciences - Philosophy
KW  - Social sciences - Methodology
KW  - Social surveys
KW  - Social sciences - Research
ER  -