Methods of social research/
Sullivan,Thomas J.
Methods of social research/ Thomas J.Sullivan. - Philadelphia : Harcourt college, 2001.
Includes index.
155074636
_Social research
HM571 .S85 2001
Methods of social research/ Thomas J.Sullivan. - Philadelphia : Harcourt college, 2001.
Includes index.
155074636
_Social research
HM571 .S85 2001