Bernard, H. Russell 1940- Social research methods : qualitative and quantitative approaches / H. Russell Bernard. - Thousand Oaks, Calif. : Sage Publications, c2000. - 1 v. (various pagings) : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 076191403X (cloth : alk. paper) LCCN: 99050458 Subjects--Topical Terms: Social sciences--Research--Methodology. LC Class. No.: H62 / .B439 2000