000			00353nam a2200145Ia 4500
008			210901s2021 xx 000 0 eng d
020			_a9789351611769
082			_a310 GUP
100			_aS.P.Gupta
245		0	_aStatistical methods
250			_aRev.ed.46th
260			_aNew Delhi _bSultan Chand _c2021
300			_axxii+1291p.
942			_2ddc _cBK _03
999			_c31882 _d31882