00618nam a2200193   4500001001400000003000700014005001700021020001500038040000800053245011100061260003900172300003100211500006200242650003100304650002200335650002600357700002100383700002000404vtls000004383KUKTEM20251117142057.0  a0415262089  aUMP00aFocus groups :b supporting effective product development /c edited by Joseph Langford and Deana McDonagh  aLondon: bTaylor & Francis,c 2003  ax, 230 p.:b ill.;c 25 cm  aIncludes bibliographical references (p.483-517) and index00aFocused group interviewing00aHuman engineering00aDesignxHuman factors12aLangford, Joseph12aMcDonagh, Deana