TY  - BOOK
AU  - Aziz,M.A., x
AU  - x
TI  - A text book of estimationg and costing: x
SN  - x
U1  - 692.5/AZT 
PY  - 1967///
CY  - Dacca
PB  - Zoberi Pub.
KW  - Engineering
N1  - x
ER  -