P.C. Jain Marketing research management - Delhi Akashdeep Publishing house 1989 - 356p - Vol 1 . P.C. Jain: Marketing research management. Delhi. Akashdeep Publishing house, 1989. 81-7158-098-x--(658.8.JAI) ENGLISH ISBN: 81-7158-098-x Dewey Class. No.: / JAI