“Kajian Model Pemasaran Tambang Rakyat Batupasir Kecamatan Kusambi Kabupaten Muna Barat Sulawesi Tenggara ”. Jurnal Geomine 12, no. 01 (August 15, 2024): 43–51. Accessed June 27, 2025. https://jurnal.fti.umi.ac.id/index.php/JG/article/view/897.