DEREBSSA DUFERA , B. . Review of early storage media degradation factors, preservation techniques and trends in Ethiopia . Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, [S. l.], v. 37, p. 27–38, 2023. Disponível em: https://ejol.aau.edu.et/index.php/ZEDE/article/view/6534. Acesso em: 10 apr. 2026.