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.48 C25020 C4002 C4003
India. National Sample Survey Organisation Preliminary estimates of birth and death rates and of the rate of growth of population Calcutta NSSO 1961 132p. * Birth rate Death rate