Columbia subject headings:
Harvard subject headings:
Developing countries--Foreign economic relations--Switzerland.
EcoSolidar-Sri Lanka (Organization)
Sri Lanka--Foreign economic relations--Switzerland.
Switzerland--Foreign economic relations--Developing countries.
Switzerland--Foreign economic relations--Sri Lanka.
Princeton subject headings:
Charities--Switzerland.
EcoSolidar (Organization)
Economic assistance, Swiss.
Non-governmental organizations--Switzerland.
Technical assistance, Swiss.