NURSANTI, I.; BUDIANTA, D.; NAPOLEON, A.; PARTO, Y. Zeolite Utilization as a Catalyst and Nutrient Adsorbent of an Organic Fertilizer Process From Palm Oil Mill Effluent as Raw Material. JOURNAL OF TROPICAL SOILS, [S. l.], v. 18, n. 3, p. 177–184, 2014. DOI: 10.5400/jts.2013.v18i3.177-184. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/185. Acesso em: 5 aug. 2025.