CHEMICAL CHARACTERISTICS OF VOLCANIC ASH IN INDONESIA FOR SOIL STABILIZATION: MORPHOLOGY AND MINERAL CONTENT. International Journal of Geomate, [S. l.], v. 11, n. 26, p. 2606–2610, 2019. Disponível em: https://geomatejournal.com/geomate/article/view/2646. Acesso em: 19 oct. 2026.