Columbia subject headings:
Harvard subject headings:
Amazon River Region--Social conditions.
Amazonas (Colombia : Department)--Social conditions.
Education--Amazon River Region.
Education--Colombia--Amazonas (Department)
Fundación Gaia Amazonas.
Schools--Amazon River Region.
Schools--Colombia--Amazonas (Department)
Princeton subject headings:
Amazon River Region--Social conditions.
Amazonas (Colombia : Department)--Social conditions.
Education--Amazon River Region.
Education--Colombia--Amazonas (Dept.).
Fundación Gaia Amazonas.
Schools--Amazon River Region.
Schools--Colombia--Amazonas (Dept.).