Maurad, K. and Meriem, K. H. (2008) “Probiotic characteristics of Lactobacillus plantarum strains from traditional butter made from camel milk in arid regions (Sahara) of Algeria”, Grasas y Aceites, 59(3), pp. 218–224. doi: 10.3989/gya.2008.v59.i3.511.