00363cam a22001097a 4500008004000000082001400040245011500054260002700169300001000196650002100206700002600227180718b1946   xxu||||| |||| 00| 0 eng d  aI551 B611  aHow to conduct consumer and opinion research: the sampling survey in operationcedited by Albert B. Blankeship  aNew YorkbHarperc1946  a314p.  aResearch Methods  aBlankeship, Albert B.