SuryantoEdi, SurosoArif Imam, and HasbullahRokhani. “RANCANG BANGUN MODEL BISNIS EKOWISATA GRASBERG PASCA TAMBANG”. Jurnal Aplikasi Bisnis dan Manajemen (JABM) 7, no. 3 (September 29, 2021): 743. Accessed May 1, 2024. https://journal.ipb.ac.id/index.php/jabm/article/view/37565.