Columbia subject headings:
Harvard subject headings:
Housing policy--El Salvador--San Salvador Metropolitan Area--Statistics.
Housing--El Salvador--San Salvador Metropolitan Area--Statistics.
Public housing--El Salvador--San Salvador Metropolitan Area--Statistics.
San Salvador (El Salvador)--Population--Statistics.
Princeton subject headings:
Housing policy--El Salvador--San Salvador Metropolitan Area--Statistics.
Housing--El Salvador--San Salvador Metropolitan Area--Statistics.
Public housing--El Salvador--San Salvador Metropolitan Area--Statistics.
San Salvador (El Salvador)--Population--Statistics.