Columbia subject headings:
Housing--Ecuador--Guayaquil.
Marginality, Social--Ecuador--Guayaquil.
Slums--Ecuador--Guayaquil.
Harvard subject headings:
Guayaquil (Ecuador)--Social conditions.
Housing--Ecuador--Guayaquil.
Slums--Ecuador--Guayaquil.
Princeton subject headings:
Guayaquil (Ecuador)--Social conditions.
Housing--Ecuador--Guayaquil.
Slums--Ecuador--Guayaquil.