00275nam a2200109 a 450000500170000002000150001708200200003210000170005224500460006926000290011530000210014420251203091736.0  a8171003540  a658.83,bD, sha  aSharma, R.D.  aDesigning and managing marketing research  aDelhibDeep & Deepc1991  aviii, 152p, 22cm