Javad Esfanjani, et al. “Modeling Habitat Distribution of Festuca Ovina-Astragalus Gossypinus by Using Maximum Entropy Method in the Chaharbagh Rangelands of Iran”. Range Management and Agroforestry, vol. 38, no. 2, Oct. 2021, pp. 171-5, https://publications.rmsi.in/index.php/rma/article/view/220.