M. AGRIAL S. and W. R. A. Nafiu, “POTENTIAL VALUE-ADDED MINERALS IN FORMER NICKEL ORE MINING AREAS IN BATU PUTIH SUBDISTRICT, NORTH KOLAKA REGENCY: POTENSI NILAI TAMBAH MINERAL IKUTAN DI AREA BEKAS PENAMBANGAN BIJIH NIKEL DIKECAMATAN BATU PUTIH KABUPATEN KOLAKA UTARA”, Program Studi S1 Teknik Pertambangan Universitas Papua, vol. 7, no. 2, Dec. 2024.