TY  - BOOK
AU  - Cardenas, Elpidio J. 
TI  - Technical drafting 1
SN  - 971-08-5110-1
U1  - 604.24 C266 2011 
PY  - 2011///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Mechanical drawing
KW  - Drafting
N1  - Includes index; Originally published: NBS, 1992
ER  -