A demographic analysis of urbanization :
Gibson, Jeffry Royle.
A demographic analysis of urbanization : evolution of a system of cities in Honduras, El Salvador, and Costa Rica. / - ithaca, n.y. : Cornell University 1970.
SOCIOLOGIA URBANA
URBANIZACION--AMERICA CENTRAL.
A demographic analysis of urbanization : evolution of a system of cities in Honduras, El Salvador, and Costa Rica. / - ithaca, n.y. : Cornell University 1970.
SOCIOLOGIA URBANA
URBANIZACION--AMERICA CENTRAL.