000			00322nam a2200133Ia 4500
005			20260413100504.0
008			230516s9999||||xx |||||||||||||| ||und||
100			_aDutta,B.N.
245		0	_aEstimating & Costing in Civil Engineering
260			_bN.Delhi.UBS _c2013
300			_a904
942			_cGB
999			_c1655 _d1655