Gupta, S L .
Marketing reserch / - 1 / - New Delhi : Excel Books , 2003. - 629p. ;
81-7446-345-3
Marketing research
658.83 / GUP/M
Marketing reserch / - 1 / - New Delhi : Excel Books , 2003. - 629p. ;
81-7446-345-3
Marketing research
658.83 / GUP/M