Salis, M., Sepe, L., Francaviglia, R., Fedrizzi, M., Bazzoffi, P., Claps, S., Pitzalis, M., Lilliu, M., Ruda, P., Sabia, E., Bruno, A., Rufrano, D., Dell’Abate, M.T., Alianello, A., Veloccia, M., Masetti, O., Renzi, G., Fanigliulo, R., Pagano, M., Sperandio, G., Guerrieri, M., Puri, D. and Carroni, A.M. 2015. Environmental effectiveness of GAEC cross-compliance Standard 4.1 (b, c) ‘Protection of permanent pasture land’ and economic evaluation of the competitiveness gap for farmers. Italian Journal of Agronomy. 10, s1 (Nov. 2015). DOI:https://doi.org/10.4081/ija.2015.714.