Author not established. Dr Nerayo Teclemikael 1941 – 2018. Date not established. EHREA archive: /library/documents/doc-8098ac464335697c1317be9c/
[1] Dr Nerayo Teclemikael 1941 – 2018. Original source: http://www.ehrea.org/nray.php. Preserved original: /library/originals/e3dcd17b4dc61de3ce67bd664345ed9f83c93e5e171f694c1a3bcd9b19730783.html. SHA-256: e3dcd17b4dc61de3ce67bd664345ed9f83c93e5e171f694c1a3bcd9b19730783