TY  - BOOK
AU  - Dhawan, R. K.
AU  - Dhawan, Karun
TI  - Fundamentals of engineering drawing: for polytechnics
SN  - 8121939267
U1  -  621.815 
PY  - 2012///
CY  - New Delhi,India
PB  - S. Chand & Company Ltd.
ER  -