This study investigated the implications of large-scale land concessions in the Red River Delta, Vietnam, and Northeast Cambodia with regard to urban and agricultural frontiers, agrarian transitions, migration, and places from which the migrant workers originated.
zone urbaine
Urban areas as defined by the Census Bureau are densely-populated areas with at least 50,000 people ("urbanized areas") and densely-populated areas with 2,500 to 50,000 people ("urban clusters").