Pekey S, Achsani NA, Santoso MH. Faktor-faktor Penentu Harga Tembaga di Pasar Internasional Terhadap PT. Freeport Indonesia. jabm [Internet]. 2022 May 31 [cited 2025 Dec. 24];8(2):654. Available from: https://journal.ipb.ac.id/jabm/article/view/38354