Calatrava Leyva, J., and S. Sayadi. “Economic Valuation of Water and Willingness to Pay Analysis in Tropical Fruit Production in South-Eastern Spain”. Spanish Journal of Agricultural Research 3, no. 1 (March 1, 2005): 25-33. Accessed August 1, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/121.