AHMAD, A.; SOLLE, M. S.; LOPULISA, C. Soil Development from Volcanic Ash Based on Different Pyroclastic Composition. JOURNAL OF TROPICAL SOILS, [S. l.], v. 24, n. 3, p. 135–140, 2020. DOI: 10.5400/jts.2019.v24i3.135-140. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/311. Acesso em: 27 jul. 2025.