Columbia subject headings:
Harvard subject headings:
Developing countries--Social policy.
Education--Developing countries
Housing policy--Developing countries.
Poor--Developing countries
Rural development
Social service, Rural.
Urbanization--Developing countries
Princeton subject headings:
Developing countries--Social policy.
Education--Developing countries.
Housing policy--Developing countries.
Poor--Developing countries.
Rural development.
Social service, Rural.
Urbanization--Developing countries.