Singh, Daroga. Theory and analysis of sample survey designs / Daroga Singh and F.S. Chaudhary. - New Delhi : New Age International , 1986 (rep. 1995). - xi,380p. : ill.,tab ; 22cm . NULL ISBN: 0852269102 Rs. 95.00 Subjects--Index Terms: SAMPLING (STATISTICS) Dewey Class. No.: 519.52 / SIN/T