Singh, Daroga. theory and analysis of sample survey designs / by Daroga Singh,F.S.Chaudhary. - 1st.Edn. / - New Delhi : Wiley Eastern Limited , 1986 - xi,380p : ISBN: 0 85226 910 2 Subjects--Topical Terms: Successive Samling Dewey Class. No.: B2817:u / M6;7