000 00315nam a2200133Ia 4500
082 _a519.5
_bKOQ
100 _aKothari, C.R.
_919248
245 _aQuantitative techniques
_cC.R.Kothari
260 _aNew Delhi
_bVikas
_c1991
300 _bxv,596p.
546 _aeng.
650 _aSampling-Statistics
_9392
942 _cBK
999 _c7080
_d7080