Verlag MargrafPeter Poschen-Eiche × The Application of Farming Systems Research to Community ForestryA Case Study in the Hararge Highlands, Eastern EthiopiaPeter Poschen-EicheMargrafBuch1987 The Application of Farming Systems Research to Community ForestryA Case Study in the Hararge Highlands, Eastern EthiopiaPeter Poschen-EicheMargraf