ግርማ አውግቸው ከዚህ በፊት በርካታ የምርምር ጽሁፎችን በግሉም ሆነ ከሌሎች ተመራማሪዎች ጋር ለስነልሳኑ ማህበረሰብ አበርክቷል። ከዚህም በተጨማሪ “The origion ...
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