ROLE DIFFERENCE AMONG RIVERS AFFECTED BY VOLCANIC ACTIVITIES OF MT. ONTAKE FOR WATER QUALITY OF THE NIGORIGAWA RIVER. International Journal of Geomate, [S. l.], v. 16, n. 58, p. 76–81, 2019. Disponível em: https://geomatejournal.com/geomate/article/view/2714. Acesso em: 3 oct. 2026.