TY  - BOOK
AU  - Blalock,Ann Bonar
AU  - Blalock,Hubert M.
TI  - Introduction to social research
AV  - H62 B524I 1982
PY  - 1982///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - SOCIAL SCIENCES
KW  - RESEARCH
ER  -