Veloso, Luana Lucas de Sá Almeida, et al. “Morphophysiology of Guava Cv. Paluma With Water of Different Salt Concentrations and Proline Doses”. Semina: Ciências Agrárias, vol. 39, no. 5, Aug. 2018, pp. 1877-86, doi:10.5433/1679-0359.2018v39n5p1877.