Liuhui Wang. “n the unctional einforcement of the rinciple of roportionality to Investors’ egitimate xpectations in nternational nvestment rbitration”. Studies in Law and Justice 2, no. 4 (November 10, 2023): 50–57. ccessed April 30, 2025. https://www.pioneerpublisher.com/slj/article/view/554.