Silver, Lawrence.
Essentials of marketing research - 3rd. - New York Routledge 2013 - 362p.
978-0-415-89928-4
Marketing research
658.83 / SIL-E
Essentials of marketing research - 3rd. - New York Routledge 2013 - 362p.
978-0-415-89928-4
Marketing research
658.83 / SIL-E