BOYD (Harper)/ WESTFALL (Richard)/ STASCH (Stanl, . (1990). Marketing Research Text and Cases. : All India Travellar Book Seller F.
BOYD (Harper)/ WESTFALL (Richard)/ STASCH (Stanl, . 1990. Marketing Research Text and Cases. : All India Travellar Book Seller F.
BOYD (Harper)/ WESTFALL (Richard)/ STASCH (Stanl, . Marketing Research Text and Cases. : All India Travellar Book Seller F. 1990.