Wissenschaft 05 12 2012(Äthiopien u. Teff (Das kleinste Getreide der Welt) - MP3-StereoTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoYewhala, Tekle26 ኅዳር 2005ረቡዕ፣ ኅዳር 26 2005https://p.dw.com/p/16wJPማስታወቂያ