| Verfasser | Häufigkeit |
| Debelee, Taye Girma |
2 |
| Ibenthal, Achim |
2 |
| Megersa Ayano, Yehualashet |
2 |
| Menelik, Girma Yohannes Iyassu |
2 |
| Menelik, Girma Yohannes Iyassu 1961- |
2 |
| Schwenker, Friedhelm |
2 |
| Yadeta, Girma |
2 |
| Getahun, Girma Y. |
1 |
| Girma Yifrashewa 1967- |
1 |
| Yifrashewa, Girma 1967- |
1 |