Sahel
- UF África do Sahel
- UF país do Sahel
72GEOGRAFIA- MT
7221África - BT1 África Negra
- RT desertificação (
5216) - RT deserto (
5211) - RT seca (
5216) - RT zona árida (
5211)
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- CLM unbis: Unbis (United Nations Thesaurus)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
- EXM zbw: ZBW (Thesaurus for Econmics)
Portuguese)