SULAKHUDIN, .; SYUKUR, A.; SUNARMINTO, B. H. Zeolite and Hucalcia as Coating Material for Improving Quality of NPK Fertilizer in Costal Sandy Soil. JOURNAL OF TROPICAL SOILS, [S. l.], v. 16, n. 2, p. 99–106, 2013. DOI: 10.5400/jts.2011.v16i2.99-106. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/127. Acesso em: 1 aug. 2025.