000 00284nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a330.01 PAN
100 _aPANEERSALVAM (R.)
245 _aENGINEERING ECONOMICS
260 _aDELHI
_bPHI LEARNING
365 _cRS
999 _c220561
_d220561