Espinosa Proaño, Nicole, and David Molina Coello. “Proportionality As a Criterion of International Law of Investment: An Overview of the Tribunal"™s Decision on the Occidental Case”. USFQ Law Review 4, no. 1 (September 1, 2017): 123–139. Accessed September 6, 2026. https://revistas.usfq.edu.ec/index.php/lawreview/article/view/988.