Fichtner, S. S., Paula, A. N. de, Jardim, E. C., Silva, E. C. da, & Lopes, H. O. da silva. (2007). MINERAL COMPOSITION OF SOILS, FORAGE AND ANIMAL TISSUE IN THE RIO VERDE REGION, GOIÁS, BRAZIL: COOPER, MOLYBDENIUM AND SELENIUM. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], 20(1), 1-6. https://doi.org/10.5216/pat.v20i1.2582