Worku, K., A. Debela, and D. Shanko. “Characterization of the Existing Soil Management in Relation to Some Selected Physico-Chemical Properties at Bulehoraworeda, West Guji Zone”. International Journal of Agricultural Research, Innovation and Technology, vol. 7, no. 2, Jan. 2018, pp. 43-48, doi:10.3329/ijarit.v7i2.35321.