Krueger, Richard A. Focus groups : a practical guide for applied research / Richard A. Krueger. - 2nd ed. - Thousand Oaks, Calif. : Sage Publications, c1994. - xiv, 255 p. ; Includes bibliographical references (p. 243-250) and index. ISBN: 0803955669 0803955677 (pbk.) Subjects--Topical Terms: Focus groups.Social sciences Dewey Class. No.: 361.6 / KRU