000 00342nam a2200133Ia 4500
100 _aGupta, C B & Gupta, Vijay
020 _a81-259-1654-7
250 _a23rd
942 _cBK
245 _aAn introduction to statistical methods
260 _aVikas publishing house pvt ltd., New Delhi
_c1973
082 _a311 Gup/Gup
300 _ax,829,xvii
999 _c37876
_d37876