FAJARINDO, F.; SUWARDI, S.; ISKANDAR, I.; LIMIN, A. Utilizing Coal ash and Lignite Enriched-Compost to Improve Chemical Properties of Ultisols. JOURNAL OF TROPICAL SOILS, [S. l.], v. 29, n. 1, p. 41–48, 2023. DOI: 10.5400/jts.2024.v29i1.41-48. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/537. Acesso em: 27 jul. 2025.