“EVALUASI KADAR PRODUKSI NIKEL LATERIT DI PT. ANTAM TBK: Abjan Hi. Masuara Program Studi Teknik Pertambangan Fakultas Teknik Universitas Muhammadiyah Maluku Utara”, EJD, vol. 11, no. 2, pp. 33–45, Sep. 2018, Accessed: Apr. 07, 2026. [Online]. Available: https://jurnal.ummu.ac.id/index.php/dintek/article/view/137