The focus group guidebook-4
Krueger,Richard
The focus group guidebook-4 - 2nd Ed.; - London SAGE, 1998 - xv,115p.; ill. 18cm
0761908218
Research
001.433 / MOR
The focus group guidebook-4 - 2nd Ed.; - London SAGE, 1998 - xv,115p.; ill. 18cm
0761908218
Research
001.433 / MOR