Media type: E-Article Title: Supply response, local reality and livelihood sustainability: the policy dilemma of khat (Catha edulis) production in eastern Ethiopia Contributor: Tefera, Tesfaye Lemma Published: Informa UK Limited, 2009 Published in: International Journal of Agricultural Sustainability, 7 (2009) 3, Seite 176-188 Language: English DOI: 10.3763/ijas.2009.0428 ISSN: 1473-5903; 1747-762X Origination: Footnote: