"Djibouti". The World Factbook. CIA. Archived from the original on 25 May 2023. Retrieved 31 August 2014.
doi.org
Simeone-Senelle, Marie-Claude (2000). "Les langues en Erythrée". Chroniques Yeménites 8, 2000 (in French). 8 (8). Cy.revues.org. doi:10.4000/cy.39. Archived from the original on 6 January 2010. Retrieved 6 April 2010.
Hamann, Silke; Fuchs, Susanne (June 2010) [2008]. "How do voiced retroflex stops evolve? Evidence from typology and an articulatory study". Language and Speech. 53 (2): 181–216. doi:10.1177/0023830909357159. PMID20583729. S2CID23502367.
Hamann, Silke; Fuchs, Susanne (June 2010) [2008]. "How do voiced retroflex stops evolve? Evidence from typology and an articulatory study". Language and Speech. 53 (2): 181–216. doi:10.1177/0023830909357159. PMID20583729. S2CID23502367.
Simeone-Senelle, Marie-Claude (2000). "Les langues en Erythrée". Chroniques Yeménites 8, 2000 (in French). 8 (8). Cy.revues.org. doi:10.4000/cy.39. Archived from the original on 6 January 2010. Retrieved 6 April 2010.
semanticscholar.org
api.semanticscholar.org
Hamann, Silke; Fuchs, Susanne (June 2010) [2008]. "How do voiced retroflex stops evolve? Evidence from typology and an articulatory study". Language and Speech. 53 (2): 181–216. doi:10.1177/0023830909357159. PMID20583729. S2CID23502367.
web.archive.org
"Djibouti". The World Factbook. CIA. Archived from the original on 25 May 2023. Retrieved 31 August 2014.
Simeone-Senelle, Marie-Claude (2000). "Les langues en Erythrée". Chroniques Yeménites 8, 2000 (in French). 8 (8). Cy.revues.org. doi:10.4000/cy.39. Archived from the original on 6 January 2010. Retrieved 6 April 2010.