00571     2200205   4500001002100000035002000021082000800041084000800049100001400057245011500071260005000186300002500236650002900261650003000290990000900320990000900329990000900338990000900347990000900356INLIS000000000001403  a0010-1220000244  a311  a311  aI.P David  aIn search of optimum strategies for Philippine household surveys I. Simple Random Sampling and its limitations  aLos BanosbUniversity of the Philippinec1975  a30 p.c: ill ; 28 cm  aRUMAH TANGGA - STATISTIK  aSTATISTIK - RUMAH TANGGA.  a1845  a1845  a1845  a1845  a2045