TY  - BOOK
AU  - YAH LIM CHONG,  YI LEE SHENG AND YUE CHIA SIO.
TI  - ELEMENTS OF ECONOMIC THEORY. 
U1  - 330.1 YAH/ELE 
PY  - 1976///
CY  - SINGAPORE
PB  -  OXFORD UNI. PRESS
ER  -