Susanto, Andriko Noto. “Spatial Variability of Soil Inherent Fertility Status at Irrigation Rice Field in Waeapo Plain, Buru Regency”. JOURNAL OF TROPICAL SOILS 18, no. 2 (November 25, 2013): 115–124. Accessed July 19, 2025. https://journal.unila.ac.id/index.php/tropicalsoil/article/view/177.