“Kajian Model Pemasaran Tambang Rakyat Batupasir Kecamatan Kusambi Kabupaten Muna Barat Sulawesi Tenggara ” (2024) Jurnal Geomine, 12(01), pp. 43–51. Available at: https://jurnal.fti.umi.ac.id/index.php/JG/article/view/897 (Accessed: 31 August 2025).