000 00299nam a22001337a 4500
020 _a9788121900447
082 _a519.5 PIL/P
100 _aPillai, R S N
245 _aPractical statistics
260 _aDelhi
_bS Chand and Company Ltd
_c2008
300 _a821p
700 _aBagavathi
942 _cBK
999 _c73338
_d73338