Ex ante assessment of the sustainability of alternative cropping systems: implications for using multi-criteria decision-aid methods. A review Walid Sadok, Frédérique Angevin, Jacques-Éric Bergez, Christian Bockstaller, Bruno Colomb, Laurence Guichard, Raymond Reau and Thierry DoréAgron. Sustain. Dev., 28 1 (2008) 163-174DOI: https://doi.org/10.1051/agro:2007043