Focus Groups : A practical guide for applies Research
Krueger RA
Focus Groups : A practical guide for applies Research Krueger RA - London London, Sage Publication 1994 - 269p
0-8039-5566-9
Textbook
Focus Groups : A practical guide for applies Research Krueger RA - London London, Sage Publication 1994 - 269p
0-8039-5566-9
Textbook
