Muhammad Djody Satriani. “Effectiveness of Mineral Downstreaming Policy in Encouraging Regional Economic Transformation : A Case Study of RKEF And HPAL Integration In Obi Island, South Halmahera”. Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro Dan Informatika, vol. 4, no. 2, Mar. 2026, pp. 72-83, doi:10.61132/jupiter.v4i2.1351.