ሳይንስበቻይና ለሽልማት የበቁት ሦስቱ ኢትዮጵያውያንTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስMillion H.Silase28 መስከረም 2012ረቡዕ፣ መስከረም 28 2012https://p.dw.com/p/3QzXRማስታወቂያ