Gäbrä Iyyäsus Kifle, ታሪኽ ትውልዲ ልሳን ግእዝ Tariḵ tǝwlǝddi lǝssan Gǝʿǝz [History of the origin of the Gǝʿǝz language – in Tigrinya]. (2003). Aethiopica, 6(1), 263-265. https://doi.org/10.15460/aethiopica.6.1.399