SAGALA, Gunawan. ANALISIS TINGKAT EROSI TANAH DI KECAMATAN SIANJUR MULA-MULA KABUPATEN SAMOSIR. Tunas Geografi, [S. l.], v. 4, n. 2, p. 89–96, 2017. DOI: 10.24114/tgeo.v4i2.5830. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/tgeo/article/view/5830. Acesso em: 5 jul. 2025.