Doing focus groups
Barbour, Rosaline
Doing focus groups Rosaline Barbour - Los angeles: Sage publication, 2007. - 156
9780761949787
001.42 / BAR/D
Doing focus groups Rosaline Barbour - Los angeles: Sage publication, 2007. - 156
9780761949787
001.42 / BAR/D