000 00383nam a2200157Ia 4500
020 _a070690642X
082 _a519.5
_bKOQ
100 _aKothari, C.R
_919248
245 _aQuantitative techniques
_cC.R. Kothari
260 _aNew Delhi
_bVikas
_c1978
300 _b369p.
546 _aeng.
650 _aSampling-Statistics
_9392
650 _aEconomics analysis
_919249
942 _cBK
999 _c20720
_d20720