Obstacles to technology adoption for small and medium farms in the arid and semi arid areas of Maghreb

por Alary, Véronique (ed.), Mekersi, Skander (ed.), Redjel, N. (ed.), Zeghida, A. (ed.), Bouguera, Amina (ed.), Bendaoud, Mohammed (ed.), Khelil, Mohammed (ed.), Moussaoui, M. (ed.), Elloumi, Mohamed (ed.), Selmi, Salah (ed.), Ayouz, Mourad (ed.), Boutonnet, Jean-Pierre (ed.), Dutilly-Diane, Céline (ed.), El Mourid, Mohamed (ed.), Boussard, Jean-Marc (ed.)