WOLDEYES, B. . Selection of a plant location - A case study: Urea production using Calub Gas. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት, [S. l.], v. 16, p. 38–47, 2023. Disponível em: https://ejol.aau.edu.et/index.php/ZEDE/article/view/6460. Acesso em: 10 apr. 2026.