Pohan CR, Sugiarto L, Hidayat A, Martitah M. The Paradox of Mineral Downstreaming: An Economic Analysis of Mining Regulatory Disharmony in Indonesia. sjh [Internet]. 18 September 2025 [dikutip 26 September 2026];7(1):519-43. Tersedia pada: https://jurnal.penerbitsign.com/index.php/sjh/article/view/v7n1-30