TY  - BOOK
AU  - Sekkilar, S M
TI  - Engineering graphics
U1  - 604.2 S47E 
PY  - 2018///
CY  - New Delhi
PB  - Narosa Publishing House
N1  - 4506 27/01/2022 HBD22/9228 28/01/2022 Main Budget
ER  -