Valderama, Aldi F., and Ricardo O.M. Hutapea. (2022) 2023. “ESTIMATION OF ANDESITE RESOURCES USING THE CROSS-SECTION METHOD OF PT. AKAM IN THE DISTRICT SORONG PROVINCE OF WEST PAPUA: ESTIMASI SUMBER DAYA ANDESIT MENGGUNAKAN METODE CROSS SECTION PT. AKAM DI KABUPATEN SORONG PROVINSI PAPUA BARAT”. INTAN Jurnal Penelitian Tambang 1 (1):14-19. https://doi.org/10.56139/intan.v1i1.6.