000 00429nam a2200169Ia 4500
008 220623s9999 xx 000 0 und d
041 _aeng
082 _aD 1368
100 _aGupta, S. P.
245 _aStatistical methods
250 _a23rd rev. enl. ed.
260 _aNew Delhi
_bSultan Chand and Sons
_c1987
300 _axxii, R-312
500 _aIncludes tables and index (i-xiv)
650 _aEconomics
999 _c18074
_d18074
942 _CGB