TY  - BOOK
AU  - Birdie, G.S.
TI  - Textbook of Estimating and Costing
SN  - 9789384378134
U1  - 624.0681 
PY  - 2005///
CY  - New Delhi.
PB  - Dhanpat Rai Publishing Company
KW  - Civil ,Costing
N1  - Civil Engineering
N2  -  Estimating , Costing
ER  -