00298nam a2200121 a 450000500170000002000150001708200160003210000130004824500250006126000450008630000240013170000210015520251203110913.0  a8173191360  a519.52bRAJ  aRaj, Des  aSample survey theory  aNew DelhibNarosa Publishing housec1998  axv,346p.c24 cm. PB  aChandhok, Promod