Agumassie Genet Gela
Berhane Lemma, Fassil Kebede, Shimbahri Mesfin
Getachew Shambel Endris, Chanyalew Seyoum Aweke, Muluken Gezahegn Wordofa et al.
Zerihun Gudeta, L. K. Oosthuizen, Herman Van Schalkwyk et al.
Suleyman Abdureman Omer, Nuradin Abdi Hassen
Antoine Leblois, Philippe Quirion
Gezahegn Girma, Habte Nida, Alemu Tirfessa
Yihenew G. Selassie, Fentanesh Anemut, Solomon Addisu et al.
Kalle Hirvonen, John Hoddinott
Stephanie de Mûelenaere, Amaury Frankl, Mitiku Haile et al.
Alemayehu A. Ambel, Colin Andrews, Anne M. Bakilana et al.
Mengistu Assefa Wendimu, Peter Gibbon
