TY  - BOOK
AU  - Dutta, B.N  .
TI  - Estimating and costing in civil engineering : Theory and practice / 
SN  - 8185273685
U1  - 692.5 
PY  - 2007///
PY  - 2013///
CY  - New Delhi : 
PB  - U B S Publishers distributors Ltd , 
ER  -