R. da R. Braga and E. R. Matushima, “ Aguaribe Valley: an oasis in danger in the brazilian semi-arid – systematic review on environAguaribe Valley: an oasis in danger in the brazilian semi-arid – systematic review on environmental contamination and potential damage to the basin and its users”, REGNE, vol. 7, no. 2, pp. 24–34, Jul. 2021.