[1]
DouwN. I., MaarifM. S., and BagaL. M., “PENINGKATAN PRODUKTIVITAS KERJA KARYAWAN DEVELOPMENT DI TAMBANG BAWAH TANAH DMLZ (DEEP MILL LEVEL ZONE) PT FREEPORT INDONESIA”, jabm, vol. 7, no. 2, p. 316, May 2021.