Columbia subject headings:
Developing countries--Economic conditions.
Mountjoy, Alan B.
Rural development--Developing countries.
Urbanization--Developing countries.
Harvard subject headings:
Developing countries--Economic conditions.
Mountjoy, Alan B.
Rural development--Developing countries
Urbanization--Developing countries
Princeton subject headings:
Developing countries--Economic conditions.
Mountjoy, Alan B.
Rural development--Developing countries.
Urbanization--Developing countries.