Theory and analysis of sample survey designs / Daroga Singh, F.S. Chaudhary. Singh, Daroga. Chaudhary, F. S. (Fauran S.) Sampling (Statistics) QA276.6 .S56 1986 519.52 19 SIT "A Halsted Press book." Includes bibliographies and indexes. New York : Wiley, c1986. c1986. 1986 Text xi, 380 p. ; eng