Krueger, Richard A, Focus groups : a practical guide for applied research / [print] Richard A. Krueger. - second edition. - Thousand Oaks, California : Sage Publications, (c)1994. - xiv, 255 pages ; 22 cm. LCCN: 93043665 Nat. Bib. No.: GB94-31715 Subjects--Topical Terms: Focus groups.Social sciences--Methodology. LC Class. No.: H61.K94.F638 1994