Garedew Aweke, Kiflie Worku, and Yodit Abebe. “Unveiling the Shift of smallholders’ Cash Crop Farming from Coffee-Orchard to Khat in Sidama Region, Ethiopia”. Ethiopian Journal of Environment and Development, vol. 5, no. 1, Oct. 2023, pp. 598-13, doi:10.20372/ejed.v05i1.01.