Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
303.38 B642 21218
Blankenship A B Consumer and opinion research, the questionnaire technique 3rd. - New York Harper & Bros 1943 xi,240p. * Market surveys Public opinion polls