Benabderrahim, M. A., M. Haddad, H. Hamza, and A. Ferchichi. “Germination and Emergence Variability of Alfalfa (Medicago Sativa L.) Landraces Collected in Southern Tunisia Oases”. Spanish Journal of Agricultural Research, Vol. 9, no. 1, 1, pp. 135-43, doi:10.5424/sjar/20110901-075-10.