authors
- Abera, Adugna
- Tadesse, Henok
- Beyene, Dereje
- Geleta, Desalegn
- Abose, Ebise
- Kinde, Solomon
- Abdosh, Mussie
- Difabachew, Hailemariam
- Belachew, Mahlet
- Gire, Abdulahi
- Bishaw, Tesfahun
- Habtetsion, Medhanye
- Olani, Zelalem
- Eyelachew, Endawoke
- Birhanu, Worku
- Choukri, Kaoutar
- Coppens, Jasmine
- Tadese, Gemechu
- Haile, Kebron
- Bekele, Henok
- Abte, Melkamu
- Tollera, Getachew
- Hailu, Mesay
- Kebede, Zeyede
- van der Auwera, Gert
- Seife, Fikre
- Dujardin, Jean-Claude
- van Griensven, Johan
- Wolday, Dawit
- Embiale, Wendemagegn
- Pareyn, Myrthe
- Tasew, Geremew