Columbia subject headings:
Cities and towns--Developing countries--Mathematical models.
City planning--Developing countries--Mathematical models.
Developing countries--Economic conditions.
Harvard subject headings:
Cities and towns--Developing countries--Mathematical models.
City planning--Developing countries--Mathematical models.
Developing countries--Cities and towns--Mathematical models.
Developing countries--City planning--Mathematical models.
Urban economics--Mathematical models.
Princeton subject headings:
Cities and towns--Developing countries--Mathematical models.
City planning--Developing countries--Mathematical models.
Urban economics--Mathematical models.