Ecofarming - Ecologically and Socially Sustainable Land Management in Africa : Proceedings of an International Training Course-Workshop held from November 16 to December 11, 1998 in Ethiopia /

Ecofarming - Ecologically and Socially Sustainable Land Management in Africa : Proceedings of an International Training Course-Workshop held from November 16 to December 11, 1998 in Ethiopia / edited by Sahle Tesfai and Hartmut Gast. - Feldafing, Germany.:, Deutsche Stiftung f r internationale Entwicklung (DSE), Zentralstelle f r Ernh̃rung und Landwirtschaft, (ZEL) , ; c1999. - 299 p. ; 20 cm.

AFR 333.715 Eco 1999