000			00493nam a22001817a 4500
005			20231216020020.0
008			220125b |||||||| |||| 00| 0 eng d
020			_a978-81-7476-770-7
040			_cOCLC
082			_a624.0681
100			_aDutta, B.N.
245			_aEstimating and Costing in civil engineering Theory and Practices
260			_aDelhi _bCBS _c2021
300			_aRIT27823
521			_bIndra Book Emporium, Roorkee
650			_xCivil Engineering
942			_2ddc _cBK _n0 _08
999			_c30922 _d30922