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
000SC:300(54) NSS.5 C443 C444 C445 C519 C520 C521
Lahiri, D B India. National Sample Survey Organisation Technical papers on some aspects of the development of the sample design national sample survey New Delhi NSSO 1954 54p. Introduction by P C Mahalanobis * Sample design