Columbia subject headings:
Civilization, Hispanic--21st century.
Portuguese-speaking countries--Civilization--21st century.
Portuguese-speaking countries--Economic conditions--21st century.
Portuguese-speaking countries--Social conditions--21st century.
Two thousands (Decade)
Harvard subject headings:
Civilization, Hispanic--21st century.
Portuguese-speaking countries--Civilization--21st century.
Portuguese-speaking countries--Economic conditions--21st century.
Portuguese-speaking countries--Social conditions--21st century.
Two thousands (Decade)
Princeton subject headings:
Civilization, Hispanic--21st century.
Portuguese-speaking countries--Civilization--21st century.
Portuguese-speaking countries--Economic conditions--21st century.
Portuguese-speaking countries--Social conditions--21st century.
Two thousands (Decade)