00340nam a2200145Ia 4500008004100000020001500041041000800056082001600064100001600080245002400096250000600120260003300126300001200159650002300171210716s2003 xx 000 0 und d a8174463453 aeng a658.83 GUPS aGupta, S L. aMarketing research. a1 aNew DelhibExcel Booksc2003 axvi,599 aMarketing Research