Author not established. Berhane Woldegabriel. Date not established. EHREA archive: /library/documents/doc-1edb646cb90d172932148fb4/
[1] Berhane Woldegabriel. Original source: http://www.ehrea.org/berob.php. Preserved original: /library/originals/39195343f56468a3134a1c7f637ca599fb1456286e78e5a46b7e02b90bebc5ff.html. SHA-256: 39195343f56468a3134a1c7f637ca599fb1456286e78e5a46b7e02b90bebc5ff