TY - BOOK AU - Babbie,Earl R. TI - The basics of social research SN - 9780495812241 (pbk.) U1 - 301.072 PY - 2011/// CY - Belmont, CA PB - Wadsworth / Cengage Learning KW - Social sciences KW - Research KW - Methodology N1 - Includes bibliographical references (p. 531-541) and index ER -