Data Sources
1. Border Established. International Boundary Study, 1974, https://fall.fsulawrc.com/collection/LimitsinSeas/IBS144.pdf
2. Border length. The World Factbook, 2021, https://www.cia.gov/the-world-factbook/countries/congo-democratic-republic-of-the/#geography
3. City Population, https://web.archive.org/web/20190713155308/https://www.citypopulation.de/php/angola-admin.php
- City Population, https://www.citypopulation.de/en/angola/admin/, accessed 22 April 2021.
-CAID, https://www.caid.cd/index.php/donnees-par-villes/ville-de-kolwezi/?domaine=fiche
4. Capital City Populations. CAID, 2016, https://www.caid.cd/index.php/donnees-par-villes/ville-de-matadi/?domaine=fiche
5. Area covered. Congo Kinshasa