Gallego-Ayala, J., J. A. Gomez-Limon, and M. Arriaza. “Irrigation Water Pricing Instruments: A Sustainability Assessment”. Spanish Journal of Agricultural Research 9, no. 4 (December 1, 2011): 981-999. Accessed July 29, 2026. https://sjar.revistas.csic.es/index.php/sjar/article/view/2425.