ሳይንስየግል መረጃ እና ፌስቡክTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስTesfalem Waldyes Erago16 ሚያዝያ 2010ማክሰኞ፣ ሚያዝያ 16 2010https://p.dw.com/p/2wXlkማስታወቂያ