DYLAN TIMOTIUS DJIM; DHONI MARTIEN; YUDHA CAHYA KUMALA. Kepastian Hukum Jual-Beli Bijih Nikel dalam Pelaksanaan Sistem Free on Board di Indonesia. J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 4, n. 6, p. 1403–1412, 2025. DOI: 10.56799/jceki.v4i6.11496. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/11496. Acesso em: 26 aug. 2026.