https://www.iareporter.com/articles/another-gold-trader-lodges-treaty-based-arbitration-against-peru/ (requires subscription)
https://www.iareporter.com/articles/peru-round-up-new-cases-threats-awards-and-tribunals/ (requires subscription)
https://www.iareporter.com/articles/peru-round-up-an-update-on-new-disputes-recent-rulings-and-pending-arbitrations/ (requires subscription)