TY  - BOOK
AU  - Ismail Sahid,
TI  - Sains rumpai
SN  - 983620699X
PY  - 1989///
CY  - Kuala Lumpur
PB  - Dewan Bahasa dan Pustaka
KW  - Economics
KW  - Study and teaching
KW  - Malaysia
KW  - Teaching
ER  -