ሳይንስኢትዮጵያየአቬሽን ቴክኖሎጂ በኢትዮጵያ ምን ደረጃ ላይ ነው?To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስኢትዮጵያTsehay Filatie5 ሰኔ 2016ረቡዕ፣ ሰኔ 5 2016https://p.dw.com/p/4gwUdማስታወቂያ