TY  - BOOK
AU  - Gupta, J.B.
TI  - A course in electrical installation estimating and costing
SN  - 978935014279
U1  - 621.381 GUP 
PY  - 2012///
CY  - New delhi
PB  - S.K.Kataria &sons
N1  - Includes bibliographical references
ER  -