Bouamama, B., R. Jardak, A. B. Salem, A. Ghorbel, and A. Mliki. “Preservation of Endangered Tunisian Grapevine Cultivars Using Embryogenic Cultures”. Electronic Journal of Biotechnology, vol. 12, no. 2, Apr. 2009, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v12n2-3.