AMIR SAHIDIN; HARDA ARMAYANTO; USMANUL KHAKIM; KHASANAH, N. U. Penguatan Spiritualitas Pekerja Tambang melalui Dakwah Ramadhan di PT. Halmahera Jaya Feronikel: Pengabdian . Jurnal Pengabdian Masyarakat dan Riset Pendidikan, [S. l.], v. 4, n. 3, p. 20198–20204, 2026. DOI: 10.31004/jerkin.v4i3.5265. Disponível em: https://jerkin.org/index.php/jerkin/article/view/5265. Acesso em: 24 oct. 2026.