000			00264nam a2200109Ia 4500
008			230907s9999||||xx |||||||||||||| ||und||
082			_a658.15 _bBLA
245		0	_aEngineering economy /
260			_aMcGraw-Hill, _bChennai : _c2017
300			_a620 p.
942			_cBK
999			_c600267 _d600267