Columbia subject headings:
Johor (Malaysia)--Economic conditions.
Riau (Indonesia : Province)--Economic conditions.
Singapore--Economic conditions.
Southeast Asia--Economic integration.
Harvard subject headings:
ASEASN countries--Economic integration.
Johor--Economic conditions.
Malaysia--Economic conditions.
Riau (Indonesia : Province)--Economic conditions.
Riau (Indonesia)--Economic conditions.
Singapore--Economic conditions
Princeton subject headings:
ASEASN countries--Economic integration.
Johor--Economic conditions.
Riau (Indonesia)--Economic conditions.
Singapore--Economic conditions.