00496nam a2200181 a 450000500170000002000180001708200160003510000200005110000180007124500560008926000490014530000260019450000500022060000080027063000240027885600060030285600060030820251203112448.0  a9788189422899  a519.52bKUS  aKushwaha K Sd_  aKumar, Rajesh  aTheory of sample surveys and statistical  decisions  aNew DelhibNew India Publishing Agencyc2009  axiv,343p.c24 cm.bHB  aincludes bibliographical references and index  bc_  aSampling techniques  f_  a_