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The paper reviews the literature on the characteristics and impact of opinion leaders on the diffusion of new knowledge, concluding that there is no clear evidence on whether opinion leaders are more effective if they are similar in ...
... Eyasu Tequame Jehoiachin Techno Pvt. Ltd. Co. Tibebu Tesfaye Haile Tibebu Tesfaye Haile Legal Consultant Seyoum Yonhannes Tesfy Addis Ababa University Mesfin Tilahun Main City Administration of Addis Ababa Wolde Tsadik Someno Ministry ...
... address both biophysi- cal and socio - economic constraints and opportuni- ties . The major biophysical traits that ... Eyasu , E. , 2002. Farmers ' percep- tions of soil fertility change and management . SOS - SAHEL , Institute ...