Djafri-Bouallag, Linda, Malika Ourari, and Mohamed Sahnoune. 2019. “A Cytogenetic and Pollen Study of Annual Medicago Species from Soummam Valley (Northeastern of Algeria)”. Acta Botanica Croatica 78 (1). https://www.abc.botanic.hr/index.php/abc/article/view/2282.