Columbia subject headings:
Costa Rica--Economic conditions--1948---Regional disparities.
Developing countries--Economic conditions--Case studies.
Regional planning--Costa Rica.
Regional planning--Developing countries--Case studies.
Harvard subject headings:
Costa Rica--Economic conditions--1948---Regional disparities.
Developing countries--Economic conditions--Regional disparities--Case studies.
Regional planning--Costa Rica.
Regional planning--Developing countries--Case studies.
Princeton subject headings:
Costa Rica--Economic conditions--1948---Regional disparities.
Developing countries--Economic conditions--Regional disparities--Case studies.
Regional planning--Costa Rica.
Regional planning--Developing countries--Case studies.