000 00288nam a2200121Ia 4500
041 _aEN
082 _a301
_bSIN
100 _aSingh, Sukhminder .
245 0 _aStatistical Methods for Research Worker / Sukhminder Singh.
260 _b : Gentral ,
_c1986
300 _a474
942 _cBK
999 _c22256
_d22256