Columbia subject headings:
Rural development--Developing countries.
Rural population--Developing countries.
Rural-urban migration--Developing countries.
Harvard subject headings:
Rural development
Rural development--Developing countries--Congresses
Rural population
Rural population--Congresses.
Rural-urban migration--Developing countries--Congresses.
Rural-urban migration.
Urbanization--Developing countries--Congresses
Princeton subject headings:
Developing countries--Rural population.
Rural development--Developing countries.
Rural-urban migration--Developing countries.