ሳይንስኢትዮጵያኢ-ቴክ ኢትዮጵያዊ የቴክኒዎሎጂ ኩባንያTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስኢትዮጵያSolomon Muche12 ጥር 2013ረቡዕ፣ ጥር 12 2013https://p.dw.com/p/3oC45ማስታወቂያ