Koschnick J. W.
Dictionary of social and market research - 0 - new york Jonh Wiley & Sons, Inc 1996 - 416 - 0 .
0
0-470-23733-3 0
Хандив
market research
304 / К-627
Dictionary of social and market research - 0 - new york Jonh Wiley & Sons, Inc 1996 - 416 - 0 .
0
0-470-23733-3 0
Хандив
market research
304 / К-627