000 00354nam a22001337a 4500
999 _c66621
_d66621
005 20210210144643.0
008 210210b ||||| |||| 00| 0 eng d
082 _a692.5 D975
100 _aDutta, B. N.
245 _aEstimating and Costing in Civil Engineering
_bTheory and Practice
260 _aNew Delhi
_bUBSPD
_c2001
300 _ap.904
942 _cBK