Campos, Ângela Diniz, Claudio Jose da Silva Freire, and Delorge Mota da Costa. 1995. “Enzyme and Total Protein Variation in Two Potato (<i>Solanum tuberosum< I> L.) Cultivar Tubers Due to Selenium Application in the Soil”. Pesquisa Agropecuaria Brasileira 30 (7):903-7. https://doi.org/10.1590/S1678-3921.pab1995.v30.4376.