Moulay Brahim M, Khéloufi B, Nouri T and Latifa M 2019 Restoration of the Steppe ecosystem through agroforestry: A study of the germination and emergence of Pistacia Atlantica Desf in the El Bayadh region, Algeria. Livestock Research for Rural Development. Volume 31, Article #196. Retrieved , from http://www.lrrd.org/lrrd31/12/agro31196.html