Getahun Ersino, Carol J. Henry, Gordon A. Zello
Keneni Samuel, Gadisa Fitala Obssie, Dessalegn Tamiru
Natalie Gerbeda-Wilson, Nancy G. Powers
Mahdi Ebroshe, Lemessa Oljira, Bezatu Mengiste [...]
Jennifer Burns, Jillian A. Emerson, Kimberly Amundson [...]
Craig Hadley, Fasil Tessema, Tefera Belachew [...]
D.A.C. Snik, P.H. Jongerius, N.M. de Roos [...]
Vera Vernooij, Jan de Koeijer, Sietze Vellema [...]
Cynthia Klobodu, Dahlia Stott, Lisa A Chiarello [...]
B. Declercq, A. M. Deane, M. Wang [...]
, Jan de Koeijer, Sietze Vellema 
