SANTI, I. N. Palm Oil Mill Efluent - Zeolite Mixture Improves Acid and Base Cations in Acid Sulfate Soil. JOURNAL OF TROPICAL SOILS, [S. l.], v. 25, n. 1, p. 21–27, 2020. DOI: 10.5400/jts.2020.v25i1.21-27. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/345. Acesso em: 2 aug. 2025.