Morgan, David L., ed.
Successful focus groups : advancing the state of the art - Newbury Park, Calif. : Sage, 1993 - 271
FOCUSED GROUP INTERVIEWING
SOCIAL SCIENCES--RESEARCH--METHODOLOGY
H61.28 / M673S
Successful focus groups : advancing the state of the art - Newbury Park, Calif. : Sage, 1993 - 271
FOCUSED GROUP INTERVIEWING
SOCIAL SCIENCES--RESEARCH--METHODOLOGY
H61.28 / M673S