https://www.iareporter.com/articles/uncovered-dispute-over-lead-zinc-mine-prompts-treaty-based-uncitral-arbitration/ (requires subscription)
https://www.iareporter.com/articles/analysis-in-blazo-tasev-v-north-macedonia-uncitral-tribunal-declines-jurisdiction-ratione-materiae-over-claims-stemming-from-mining-tender-observing-that-claimant-more-likely-than-not-acted-as-a-s/ (requires subscription)