@incollection{, B7120433206C64B153AB7A0D5339902F , author={{Kokobe SeyoumAlemu} and {Ambo university}}, journal={{Global Journal of Management and Business Research}}, journal={{GJMBR}}2249-45880975-585310.34257/GJMBR, address={Cambridge, United States}, publisher={Global Journals Organisation}1522129 } @book{b0, , title={{}} , author={{ Fortune }} , year={2011. Nov.27, 2011} 12 , address={Addis Ababa, Ethiopia} } @incollection{b1, , title={{Chat (Catha edulis Forsk.)}} , author={{ BHill }} , journal={{Journal of Ethiopian Studies}} , year={1966} } @incollection{b2, , title={{Adverse Effects of Khat: A Review}} , author={{ GCox } and { HRampes }} , booktitle={{Advances in Psychiatric Treatment}} , year={2003. 2003} 9 } @book{b3, , title={{Oromia revenue bureau, the Status report on khat tax}} , year={2006-2011} , note={Oromo Language)} } @book{b4, , title={{Leaf of Allah: Khat & Agricultural Transformation in Hararghe}} , author={{ EGebissa }} , year={2004} , address={Ethiopia} } @incollection{b5, , title={{Exports and Economic Growth in Ethiopia: An Empirical Investigation}} , author={{ DGemechu }} , booktitle={{Paper Presented for the First International Conference on The Ethiopian Economy}} , year={2002} } @book{b6, , title={{Khat (Catha edulis): Botany, Distribution, Cultivation, Usage and Economics in Ethiopia. UN-Emergencies Unit for Ethiopia}} , author={{ LDechassa }} , year={2001. June 2001} , publisher={Addis Ababa} } @book{b7, , author={{ CWard }} , title={{Yemen: CDR Building Block Qat}} , year={2000} } @book{b8, , title={{Report of national bank of Ethiopia. Total export share of}} , year={2011} } @incollection{b9, , title={{}} , journal={{African Journal of Business Management}} 5 9 , year={4 May, 2011} } @book{b10, , title={{Khat banned from export to England, Fortune magazine}} , author={{ AbdiTsegaye }} , year={2014} 15 741 }