000 00250 a2200097 4500
020 _a9789352837267
100 _aPILLAI, R.S.N./ BAGAVATHI
245 _aSTATISTICS: THEORY AND PRACTICE
250 _a8
260 _bSCHAND AND COMPANY LTD., NEW DELHI
_c2021
999 _c86468
_d86468