Bahiru Zergaw Gizaw. Zergaw keftegna ye Amarigna mezgebe kalat / by Bahiru Zergaw Gizaw. - 2nd ed. - Addis Ababa : s.l, c2006. - xiv, 922 p. : ; 25 cm. Includes bibliographical references and index. ISBN: (paperback) Dewey Class. No.: REF 492.03 Bah 2006