Nachmias, David.
Research methods in the social sciences / David Nachmias, Chava Nachmias. - New York : St. Martin's Press, c1976. - x, 335 p. : ill.
Social sciences--Methodology.
Social sciences--Research.
Research methods in the social sciences / David Nachmias, Chava Nachmias. - New York : St. Martin's Press, c1976. - x, 335 p. : ill.
Social sciences--Methodology.
Social sciences--Research.