iċ-Ċad
- UF ir-Repubblika taċ-Ċad
72ĠEOGRAFIJA- MT
7221Afrika - BT1 Afrika ċentrali
- BT2 Afrika sub-Saħarjana
- MT
7231ġeografija ekonomika - BT1 pajjiżi AKP
- BT1 pajjiżi tal-CAMEC
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- EXM unbis: Unbis (United Nations Thesaurus)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
- EXM zbw: ZBW (Thesaurus for Econmics)
Maltese)