Krueger, Richard A.
Analyzing and reporting focus group results : focus group kit 6 - New Delhi: Sage publication, 1967 - 138p.
eng
0761908161
Focus groups
001.433 / KRA
Analyzing and reporting focus group results : focus group kit 6 - New Delhi: Sage publication, 1967 - 138p.
eng
0761908161
Focus groups
001.433 / KRA