Greenbaum, Thomas L. The handbook for focus group research by Thomas L. Greenbaum - Rev. ed. - New York: Lexington Books 1993 - xviii, 222p., glos., ind. 24 cm x 16 cm ISBN: 0669277991 Subjects--Topical Terms: focused group interviewingmarketing research Dewey Class. No.: 658.83 / GRE