https://globalarbitrationreview.com/article/1173270/conoco-and-perenco-team-up-against-vietnam (requires subscription)
https://www.theguardian.com/global-development/2018/aug/15/oil-firms-use-secretive-court-hearing-in-bid-to-stop-vietnam-taxing-their-profits
https://www.iareporter.com/articles/conoco-and-perenco-settle-bit-case-against-vietnam/ (requires subscription)
https://globalarbitrationreview.com/conoco-settles-tax-dispute-vietnam (requires subscription)