TY - BOOK AU - Dillon,William R. AU - Madden,Thomas J. AU - Firtle,Neil H. TI - Essentials of marketing research T2 - Irwin series in marketing SN - 0256081123 AV - HF5415.2 D544E PY - 1993/// CY - Homewood, Ill. PB - Irwin KW - MARKETING RESEARCH N1 - Includes bibliographical references and index ER -