MOHAMMAD RACHMAD ATTAMIMI. Ketika Hilirisasi Menjadi Beban: Analisis Kritis Implementasi Kewajiban IUP Nikel di Era Downstreaming Indonesia. Al-Zayn : Jurnal Ilmu Sosial & Hukum, [S. l.], v. 4, n. 1, p. 1913–1924, 2026. DOI: 10.61104/alz.v4i1.3391. Disponível em: http://ejournal.yayasanpendidikandzurriyatulquran.id/index.php/AlZayn/article/view/3391. Acesso em: 10 jan. 2026.