000 00322 a2200133 4500
000 nam a22 7a 4500
005 20260722115339.0
020 _a9788120348370
100 _aR. Panneerselvam
245 _aEngineering Economics
250 _a2nd Edition
260 _bPHI Learning Private Limited
_c2012
942 _cBK
999 _c121773
_d121773