Amir Sahidin, Harda Armayanto, Usmanul Khakim, Khasanah NU. Penguatan Spiritualitas Pekerja Tambang melalui Dakwah Ramadhan di PT. Halmahera Jaya Feronikel: Pengabdian . JERKIN [Internet]. 2026 Feb. 10 [cited 2026 Oct. 24];4(3):20198-204. Available from: https://jerkin.org/index.php/jerkin/article/view/5265