TY  - BOOK
AU  - Heng, Siew Ngu.
TI  - Q & A STPM Ekonomi: kertas 1 & 2 
T2  - Q & A STPM
SN  - 9837437839 (pbk.)
PY  - 2005///
CY  - Petaling Jaya, Selangor
PB  - Pearson Malaysia
KW  - Economics
KW  - Study and teaching (Higher)
KW  - Examinations, questions, etc
ER  -