Silva, Samuel de Assis, and Julião Soares de Souza Lima. 2013. “Spatial Relationship Between the Stock of Nutrients and Density of a Soil Cultivated With Coffee Plants”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 43 (4). Goiânia:377-84. https://revistas.ufg.br/pat/article/view/20509.