Columbia subject headings:
Harvard subject headings:
Animals--Congo (Democratic Republic)--Nord-Ubangi.
Natural resources--Congo (Democratic Republic)--Nord-Ubangi.
Plants--Congo (Democratic Republic)--Nord-Ubangi.
Princeton subject headings:
Animals--Congo (Democratic Republic)--Nord-Ubangi.
Natural resources--Congo (Democratic Republic)--Nord-Ubangi--Management.
Natural resources--Congo (Democratic Republic)--Nord-Ubangi.
Plants--Congo (Democratic Republic)--Nord-Ubangi.
Sustainable development--Congo (Democratic Republic)--Nord-Ubangi.