AGUSTINI, R. Y.; ISKANDAR, I.; SUDARSONO, S.; JASWADI, J.; WAHDANIYAH, G. Utilization of Coal Bottom Ash and Cattle Manure as Soil Ameliorant on Acid Soil and Its Effect on Heavy Metal Content in Mustard (Brassica juncea). JOURNAL OF TROPICAL SOILS, [S. l.], v. 22, n. 2, p. 87–95, 2017. DOI: 10.5400/jts.2017.v22i2.87-95. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/69. Acesso em: 14 aug. 2025.