TY  - BOOK
AU  - Singh,Gurcharan
AU  - Singh,Jagdish
TI  - A text book of estimating costing and valuation
U1  - 624.0681 
PY  - 1993///[reprint 2013]
CY  - New Delhi
PB  - Standard Publishers
KW  - Civil engineering
N1  - CE
ER  -