Pessanha, Patrícia Gomes de Oliveira, Alexandre Pio Viana, Almy Junior Cordeiro de Carvalho, and Jurandi Gonçalves de Oliveira. 2010. “Levels of Nutrients in the Leaves of Twelve Genotypes of Grape”. Semina: Ciências Agrárias 31 (4):881-88. https://doi.org/10.5433/1679-0359.2010v31n4p881.