Author not established. Tesfamariam Woldemariam. Date not established. EHREA archive: /library/documents/doc-f924993596a58b74bdd5c176/
[1] Tesfamariam Woldemariam. Original source: http://www.ehrea.org/tefam.php. Preserved original: /library/originals/9d2c70184c5854df7d0cc67d63e04924c12ed278fdc80949903c5e9cee362124.html. SHA-256: 9d2c70184c5854df7d0cc67d63e04924c12ed278fdc80949903c5e9cee362124