SAHRAOUI, F. . ., M. . HADDAD, and M. . HAMOU. “Contribution to the Study and Characterization of Three Populations of Nigella (Nigella Sativa) in the Semi-Arid Zone of the North-Western Algeria (W. Sidi Bel-Abbes)”. Agriculture and Forestry Journal, vol. 1, no. 2, Dec. 2017, pp. 104-9, https://journals.univ-tlemcen.dz/AFJ/index.php/AFJ/article/view/45.