Columbia subject headings:
Harvard subject headings:
Child welfare--Brazil--Information services.
Children--Brazil--Social conditions--Information services.
Sistema de Informação para a Infância e Adolescência (Brazil)
Teenagers--Brazil--Social conditions--Information services.
Princeton subject headings:
Children's rights--Brazil.
Sistema de Informação para a Infância e Adolescência.
Teenagers--Legal status, laws, etc.--Brazil.