de Araújo, A. B. A., & Maia, C. E. (2020). Valor ambiental na perspectiva econômica em recursos hídricos no semiárido brasileiro / Environmental value from an economic perspective on water resources in the brazilian semiarid region. Brazilian Journal of Development, 6(3), 12813–12826. https://doi.org/10.34117/bjdv6n3-226