Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena Has query
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena
- Revised convention pertaining to the creation of the Niger Basin Authority, signed at N'Djamena