000 00250nam a2200121Ia 4500
041 _aEN
082 _bVEN
100 _aVenugopal K.R
245 0 _aMastering /
_cVenugopal K.R
260 _aNew Delhi
_bTata McGraw Hill
300 _a854
942 _cBK
999 _c6674
_d6674