Morgan, David L. Focus Groups as Qualitative Research / David L. Morgan ... [et al.] - 2nd Ed. - Thousand Oaks : Sage Publications, c1997. - viii,80p. - Qualitative Research Methods Series; Vol. 16 . - . ISBN: 9780761903437 Subjects--Topical Terms: Social sciences--Research Methodology Dewey Class. No.: 300.723 / MorF2 Vol.16