TY - BOOK AU - Babbie,Earl R. TI - The basics of social research SN - 9781305503076 (paperback) U1 - 301.072 PY - 2017///] CY - Boston, MA PB - Cengage Learning KW - Social sciences KW - Research KW - Methodology N1 - Includes bibliographical references (pages 499-511) and index ER -