Setiawan, A. . and Horman, J. R. . (2022) “REGULATION DEVELOPMENT OF INCREASING NICKEL ADDED VALUE IN INDONESIA: PERKEMBANGAN REGULASI PENINGKATAN NILAI TAMBAH NIKEL DI INDONESIA”, INTAN Jurnal Penelitian Tambang, 2(2), pp. 106–117. doi: 10.56139/intan.v2i2.31.