TY  - BOOK
AU  - Blalock, Hubert M.
AU  - Blalock, Ann B.
TI  - Methodology in social research
SN  - 070941815
PY  - 1971///
CY  - London
PB  - McGraw-Hill , 
KW  - Social science
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references and indexes
ER  -