Ruda, Paola, Mauro Salis, and Antonio M. Carroni. 2011. “Effectiveness of the GAEC Cross Compliance Standard Protection of Permanent Pasture: Prohibition to Convert Permanent Pasture into Arable Crops in Avoiding Habitat Deterioration”. Italian Journal of Agronomy 6 (s1):e12. https://doi.org/10.4081/ija.2011.6.s1.e12.