ፖለቲካወጣቶቹ ለተሳትፎው የተመረጡት በሙያቸው ባደረጓቸው ሳይንሳዊ ጥናቶች ነውTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoፖለቲካTsehay Filatie1 ኅዳር 2014ረቡዕ፣ ኅዳር 1 2014https://p.dw.com/p/42ooUማስታወቂያ