Krueger,, Richard A.
Focus groups : a practical guide for applied research / Richard A. Krueger, Mary Anne Casey
Focus groups : a practical guide for applied research / Richard A. Krueger, Mary Anne Casey
. - 5th ed
. - Los Angeles : Sage, cop. 2015
. - XX, 252 p. : il. 25 cm
978-1-4833-6524-4 Brochado
303.62