TY  - BOOK
AU  - Blalock,Ann Bonar
AU  - Blalock,Hubert M.
AU  - Blalock,Hubert M..Introduction to social research
TI  - Introduction to social research
SN  - 0134968026
PY  - 1982///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Social sciences
KW  - Research
ER  -