TY - BOOK AU - Bernard,H.Russell TI - Social research methods: qualitative and quantitative approaches SN - 076191403X (cloth : alk. paper) AV - H62 .B439 2000 PY - 2000/// CY - Thousand Oaks, Calif. PB - Sage Publications KW - Social sciences KW - Research KW - Methodology N1 - Includes bibliographical references and index ER -