SIAHAAN, Doan Mauli Tua; SAGIO, Ibrahim; PURWANTI, Evi. Export Restrictions of Indonesian Nickel Ore Based on the Perspective of Quantitative Restriction Principles in General Agreement on Tariffs and Trade. Jurnal Penelitian Hukum De Jure, [S. l.], v. 21, n. 3, p. 409–418, 2021. DOI: 10.30641/dejure.2021.V21.409-418. Disponível em: https://lawpolicyjournal.id/index.php/dejure/article/view/1838. Acesso em: 18 sep. 2026.