000 00334nam a2200145Ia 4500
100 _aDATT RUDDAR and SUNDHARAM K P M
250 _a15th
650 _aEngineering Economics
365 _cRS
365 _d1
942 _cDENGBK
245 _aIndian Economy
260 _bS Chand And Company LTD
_c1989
_aNew Delhi
300 _aXVI+749PP
999 _c8697
_d8697