RAHMAN, Surifman; IKBAL, Muh.; NAWI, Syahruddin; YUNUS, Ahyuni. The Essence of a Joint Operational Agreement in Nickel Mining Business. International Journal of Law and Politics Studies, [S. l.], v. 3, n. 1, p. 07–11, 2021. Disponível em: https://al-kindipublishers.org/index.php/ijlps/article/view/1249. Acesso em: 26 jul. 2025.