https://globalarbitrationreview.com/construction/pakistan-and-costa-rica-face-icsid-claims (requires subscription)
https://www.iareporter.com/arbitration-cases/essa2-and-enel-green-power-v-costa-rica/ (requires subscription)
https://www.iareporter.com/articles/costa-rica-announces-settlement-of-hydropower-dispute-at-icsid/ (requires subscription)