000 00300nam a2200109Ia 4500
008 231116s9999 xx 000 0 und d
020 _a9788120338531
090 _aQA 3 AHS 2009
100 0 _aAhsan Akhtar, Sabiha Ahsan
245 0 0 _aTEXTBOOK OF DIFFERENTIAL CALCULUS 2nd edition
260 _bPHI Learning
999 _c3858
_d3858