000 00383nam a22001337a 4500
003 AUM
020 _a9788174767295
100 _aDutta B.N & Dutta S.
245 _aEstimating & Costing In Civil Engineering Theory & Practice Including Specifications & Valuation
250 _a27th 2012
260 _aubs Publishers Distributors pvt Ltd New Delhi
300 _a904
942 _2ddc
_cBK
999 _c9568
_d9568