References:
- http://kmersaga.com/cameroon-usa-ranks-cameroon-2nd-most-dangerous-country-in-the-world/
- http://cameroon.facts.co/interestingcameroonfacts/aboutcameroonfunfacts.php
- http://www.infoplease.com/country/cameroon.html?pageno=4
- https://www.cia.gov/library/publications/the-world-factbook/geos/cm.html
- http://www.volcanolive.com/mtcameroon.html
- http://www.refworld.org/docid/3f51ec864.html
- https://en.wikipedia.org/wiki/Patrick_Ekeng
- http://www.yensa.com/facts/facts-about-cameroon.htm
- http://whc.unesco.org/en/list/407
- http://www.encyclopedia.com/topic/Cameroon.aspx
- http://web.worldbank.org/
- http://www.encyclopedia.com/topic/Cameroon.aspx