Sources consulted:

http://www.columbia.edu/~vpf4/WP%20pk%20text.pdf

https://sites.duke.edu/wcwp/research-projects/the-soccer-war/

https://www.mexicohistorico.com/paginas/the-impact-of-the-1969-war-on-honduras-f8e4b12b.html

https://adst.org/2014/06/the-1969-soccer-war/

https://adst.org/2014/06/the-1969-soccer-war/

https://www.reddit.com/r/acecombat/comments/islc7v/the_100_hour_war_between_el_salvador_and_honduras/

https://www.ebsco.com/research-starters/history/soccer-war

https://www.icj-cij.org/case/75

https://en.wikipedia.org/wiki/Football_War