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), İspanya, 01 Ocak 2011, ss.31-34