Bastos, R. L., B. M. R. Melo, M. S. Oliveira, e C. M. Paglis. “Definition of Management Zones for Zinc Levels in Function of the Use of Soil and Landscape Position”. Scientific Electronic Archives 10, no. 5 (outubro 2, 2017): 56–61. Acessado dezembro 9, 2021. https://sea.ufr.edu.br/SEA/article/view/361.