Gene Bukhman, Ana Olga Mocumbi, Rifat Atun
Tadele Badebo
Mihiret Shawel Getahun, Abenet Menene Gurara, Nardos Tilahun Bekele et al.
Paolo Zamboni, Mirko Tessari
Syed M. Jamal, Graham J. Belsham
Nina von Uexkull, Mihai Croicu, Hanne Fjelde
Addisu Alemu, Akine Eshete
Peter Hill
Sethu Sheeladevi, John G Lawrenson, Alistair R. Fielder et al.
Mekasha Getnet, Esubalew Tesfahun
Esayas Kebede Gudina, Dabesa Gobena, Tessema Debela et al.