TY  - BOOK
AU  - Chakraborti, M.
TI  - Estimating, Costing, Specification and Valuation in Civil Engineering
U1  - 692.2CHA 
PY  - 1996///
CY  - Calcutta
PB  - Bhaktivedanta Book Trust
UR  - http://books.google.com.pk/books/about/Estimating_Costing_Specification_and_Val.html?id=FnNGMwEACAAJ&redir_esc=y
ER  -