000			00372nam a2200157Ia 4500
008			220623s9999 xx 000 0 und d
041			_aeng
082			_aD
100			_aGupta, S. P.
245			_aStatistical methods
250			_a23rd rev. enl. ed.
260			_aNew Delhi _bSultan Chand and Sons _c1987
300			_axxii, R-312
650			_aEconomics
999			_c9724 _d9724
942			_CGB