Challenging strategies to promote the sheep and goat sector in the current global context (Options Méditerranéennes: Série A. Séminaires Méditerranéens n. 99) ed M J Ranilla, M D Carro, H Ben Salem and P Morand-Fehr (Zaragoza: CIHEAM / CSIC / Universidad de León / FAO), Spain, 01 January 2011, pp.31-34