Miller, Delbert C. Handbook of research design and social measurement / Delbert C. Miller. & Neil J.Salkind. - 6th ed. - New Delhi : Sage Publications, 2002. - xxi, 786 p. 26 cm. ISBN: 0761920463 Subjects--Topical Terms: Social sciences--ResearchSociometry Dewey Class. No.: 302.072 / MIL