TY  - BOOK
AU  - Ong,Kok Seng
TI  - Lukisan mesin
SN  - 967650663X
U1  - 604.2 23
PY  - 1989///
CY  - Petaling Jaya, Selangor : 
PB  - Fajar Bakti , 
KW  - Mechanical drawing
ER  -