Columbia subject headings:
Harvard subject headings:
City planning--Latin America--Congresses
City planning--Spain--Congresses.
Community development, Urban--Latin America--Congresses.
Community development, Urban--Spain--Congresses.
Sustainable urban development--Latin America--Congresses.
Sustainable urban development--Spain--Congresses.
Princeton subject headings:
City planning--Latin America--Congresses.
City planning--Spain--Congresses.
Community development, Urban--Latin America--Congresses.
Community development, Urban--Spain--Congresses.
Sustainable urban development--Latin America--Congresses.
Sustainable urban development--Spain--Congresses.