000 00281nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS P gupta
245 _astatistical methods
260 _bDelhi:Sultan chand
_c1996
300 _avpp.
650 _aManagement
999 _c2748
_d2748