Title: Twenty years of work 1941-1961 Photographer(s): unknown Designer(s): unknown Writer(s): unknown Publisher: Published by the Ministry of Information, Addis Abeba/Asmara 1961/62 Printed by Il Poligrafico s.a., Asmara Pages: 110 + 2 text pages Language: Amharic and English ISBN: – Edition: unknown Dimensions: 30 x 21.5 cm Country: Ethiopia