SHAYYA, W.; AL-GHAFRY, A.; NORMAN, W. Irrigation Water Costs and Management Practices Among Farms m Northern Oman. Journal of Agricultural and Marine Sciences [JAMS], [S. l.], v. 3, n. 1, p. 1–8, 1998. Disponível em: https://journals.squ.edu.om/index.php/jams/article/view/512. Acesso em: 3 may. 2024.