TY  - BOOK
AU  - Simon,Julian L.
TI  - Basic research methods in social sciences: the art of empirical investigation 
SN  - 0394320492
PY  - 1978///
CY  - New York
PB  - Random House
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Bibliography: p. 514-538
ER  -