Focus groups :
Stewart, David W.
Focus groups : - 2nd ed. - London : Sage Publications, 2007. - 188 p. : ill ; cm.
Includes bibliographical references and an index.
$
Focused group interviewing.
Focus groups : - 2nd ed. - London : Sage Publications, 2007. - 188 p. : ill ; cm.
Includes bibliographical references and an index.
$
Focused group interviewing.