ROMIYANTO, Romiyanto; BARUS, Baba; SUDADI, Untung. Spatial Model of Land Degradation and Water Pollution Caused by Illegal Gold Mining Activities in Raya Watershed, W. Jurnal Ilmu Tanah dan Lingkungan, [S. l.], v. 17, n. 2, p. 47–53, 2015. DOI: 10.29244/jitl.17.2.47-53. Disponível em: https://journal.ipb.ac.id/jtanah/article/view/14836. Acesso em: 30 dec. 2025.