Cavalcante, Ítalo Herbert Lucena, Lourival Ferreira Cavalcante, Francisco Assis de Oliveira, and Fernanda Aspazia Rodriques de Araújo. 2008. “Yield, Nutrient Exportation and Mineral Status of Two Guava Genotype Fruits”. Científica 33 (2). Dracena, SP:165-71. https://doi.org/10.15361/1984-5529.2005v33n2p165 - 171.