Almasari, Syifa Rizky. “Proportionality Test in International Investment Agreements: Balancing Regulatory Sovereignty and Investor Protection”. Nusantara: Journal of Law and Islamic Law 1, no. 3 (May 31, 2026): 77–95. Accessed June 3, 2026. https://jurnal.smartpedia.co.id/index.php/nusantara/article/view/385.