TY - BOOK AU - Boyd, Harper W. AU - Westfall, Ralph L.;Stasch, Stanley F. ED - ED - ED - ED - TI - : text and cases SN - 9710502069 SN - 2 PY - 1981///46 CY - Homewood, Ill. PB - R.D. Irwin KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Case studies KW - Marketing research.;Marketing research N1 - Includes bibliographical references and index; 5 ER -