AKALEWOLD, K. . Introductory Paper on the Assab Petroleum Refinery . Zede Journal of Ethiopian Engineers and Architects, [S. l.], v. 2, p. 29–30, 2023. Disponível em: https://ejol.aau.edu.et/index.php/ZEDE/article/view/5976. Acesso em: 29 jun. 2025.