Neuman, W. Lawrence Social research methods : qualitative and quantitative approaches / W. Lawrence Neuman. - Boston : Allyn and Bacon, c1991. - xiii, 545p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0205128165 Subjects--Topical Terms: Sociology--Research--Methodology LC Class. No.: HM48 / N39 1991