Data Sources
1. Border Established . International Boundary Study, 1996, https://fall.fsulawrc.com/collection/LimitsinSeas/IBS073.pdf
2. Border Length . THE WORLD FACTBOOK, 2021, https://www.cia.gov/the-world-factbook/countries/chad/
3. Borderland Municipalities . Tibesti, Chad, 2018 https://knoema.com/search?query=TIBESTI,
4. Populations . Tibesti, Chad, 2018 https://knoema.com/search?query=TIBESTI,
-Kanem Region, Chad, 2008, https://www.mindat.org/feature-2430873.html
-DIFFA REGION LOCAL DEVELOPMENT SUPPORT PROJECT (PADL-DIFFA), 2001, https://www.afdb.org/fileadmin/uploads/afdb/Documents/Project-and-Operations/Niger_-_Diffa_Region_Local_Development_Support_Project_PADL-DIFFA_-_Appraisal_Reports.pdf
5. Capital City Populations . Main Cities by Population in Azerbaijan, 2021, https://www.worldometers.info/world-population/azerbaijan-population/
- Kanem Region, Chad, 2008, https://www.mindat.org/feature-2430873.html
- DIFFA REGION LOCAL DEVELOPMENT SUPPORT PROJECT (PADL-DIFFA), 2001, https://www.afdb.org/fileadmin/uploads/afdb/Documents/Project-and-Operations/Niger_-_Diffa_Region_Local_Development_Support_Project_PADL-DIFFA_-_Appraisal_Reports.pdf
6. Agriculture . Open Access Search
7. Key Industries. Open Access Search
8. Key Informal Sector Activities . Open Access Search
9. Major Conflict Incidents 2010-2021 News Archival Search
10. Borders Closure 2010-2021 News Archival Search