Columbia subject headings:
Harvard subject headings:
Azuay (Ecuador)--Economic conditions.
Azuay (Ecuador)--Social conditions.
Cañar (Ecuador : Province)--Economic conditions.
Cañar (Ecuador : Province)--Social conditions.
Morona-Santiago (Ecuador)--Economic conditions.
Morona-Santiago (Ecuador)--Social conditions.
Princeton subject headings:
Azuay (Ecuador)--Economic conditions.
Azuay (Ecuador)--Social conditions.
Cañar (Ecuador : Province)--Economic conditions.
Cañar (Ecuador : Province)--Social conditions.
Morona-Santiago (Ecuador)--Economic conditions.
Morona-Santiago (Ecuador)--Social conditions.