TY  - BOOK
ED  - Politeknik Ungku Omar
TI  - Diges ilmiah 
U1  - 370.5 DIG 2011 
PY  - 2011///-
CY  - Ipoh
PB  - Politeknik Ungku Omar
KW  - Education
KW  - Malaysia
KW  - Periodicals
ER  -