Bernard, H. Russell (Harvey Russell) 1940- Social research methods : qualitative and quantitative approaches / H. Russell Bernard. - 2nd ed. - Los Angeles, Calif. : SAGE, c2013. - 789 p. : col. ill. Includes bibliographical references and index ISBN: 9781412978545 Subjects--Topical Terms: Social sciences--Research--Methodology LC Class. No.: H 62 / B476S 2013