TY  - BOOK
AU  - Vaziran V.N
TI  - Civil engineering estimating, costing and valuation 
SN  - 9788174091270
AV  - TA637 .V39
PY  - 2015///
CY  - New Delhi 
PB  - Khanna publishers 
KW  - Civil engineering
KW  - Structural engineering
ER  -