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2. Birds of Bale Mountains National Park, Southeast Ethiopia;Asefa;Walia,2007
3. Mountain Nyala and Ethiopian Wolf Mortalities in the northern side of Bale Mountains National Park, Ethiopia;Asefa;Ethiop. J. Biol. Sci.,2008
4. Mammals of the Bale Mountains National Park, Ethiopia: compiled and annotated checklist;Asefa;Walia-Special Edition on the Bale Mountains,2011
5. Inter-specific association between an ungulate and a carnivore or a primate;Desbiez;Acta Ethol.,2010