autores Gaspar José Brandão Queiroz de Azevedo Machado Pereira, Rui M. S. Haie, N. Keller, Andrew A. Haie, Naim Machado, G.J.B.Q.A. Machado, Gaspar J. Pereira, R.M. Keller, A.A.
palavras-chave Adaptation tool Effective efficiency Efficiency elasticity index IWRM Irrigation management Water resources management