Data Sources
1. Border Established. African Boundaries: A Legal and Diplomatic Encyclopaedia, 1970, https://books.google.co.ug/books?redir_esc=y&id=A8Du4k0udx4C&q=algeria+tunisia#v=onepage&q=botswana%20zambia&f=false
2. Border Length. The World factbook, 2021, https://www.cia.gov/the-world-factbook/countries/botswana/
3. Populations. Botswana in Figures 2017, https://www.statsbots.org.bw/sites/default/files/publications/Botswana%20in%20Figures%202017.pdf, accessed 24 April 2021. DATA 2: City Population, https://www.citypopulation.de/en/zambia/cities/?cityid=21535
4. Capital City Populations. Botswana in Figures 2017, https://www.statsbots.org.bw/sites/default/files/publications/Botswana%20in%20Figures%202017.pdf, accessed 24 April 2021. DATA 2: City Population, https://www.citypopulation.de/en/zambia/cities/?cityid=21535
5. Area Covered .Overview – Kgalagadi TP, https://www.safaribookings.com/kgalagadi
-Zambia,https://www.citypopulation.de/en/zambia/cities/
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. Border Closures 2010-2021