ሳይንስሞሮኮ የተገኘዉ ቅሬተ-አፅምTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago7 ሰኔ 2009ረቡዕ፣ ሰኔ 7 2009https://p.dw.com/p/2eil3ማስታወቂያ