000 004780000a22001690004500
060 _a100
082 _a519.50 2 CHA
100 _aChakravarthi, I.M.
100 _aLaha, R.G.
100 _aRoy, J
245 _aHand book of methods of applied statistics V.2 planning of surveys and experimetns
260 _aNewYork, John Wiley & Sons INC
260 _c1967
300 _a160
650 _aApplied statistics/ sample selection/ sample survey - estimation
942 _cBK
999 _c351832
_d351832