A WILLIAMS, R. . The Role of Engineers and Architects in controlling the environment of developing countries. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, [S. l.], v. 5, p. 17–23, 2023. Disponível em: https://ejol.aau.edu.et/index.php/ZEDE/article/view/6020. Acesso em: 4 apr. 2026.