
https://qz.com/1776080/how-the-mcdonnell-douglas-boeing-merger-led-to-the-737-max-crisis

https://www.politico.eu/article/how-the-us-broke-kosovo-and-what-that-means-for-ukraine/

https://www.energycharter.org/fileadmin/DocumentsMedia/CCDECS/2019/CCDEC201908.pdf