Biao, Fu, et al. “Impacts of Revegetation Management Modes on Soil Properties and Vegetation Ecological Restoration in Degraded Sandy Grassland in Farming-Pastoral Ecotone”. International Journal of Agricultural and Biological Engineering, vol. 8, no. 1, Feb. 2015, pp. 26-34, https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1332.