Silva, E.A.J. da et al. 2016. Effect of natural and artificial drying of leaf biomassof Psidium guajava on the content and chemical composition of essential oil. Semina: Ciências Agrárias. 37, 5 (Oct. 2016), 3059–3068. DOI:https://doi.org/10.5433/1679-0359.2016v37n5p3059.