The impact of poor planning on the duration and cost of the projects: The implications of poor planning on the projects. Mesopotamian Journal of Civil Engineering, [S. l.], v. 2024, p. 60–81, 2024. DOI: 10.58496/MJCE/2024/009. Disponível em: https://mesopotamian.press/journals/index.php/MJCE/article/view/587. Acesso em: 20 jun. 2025.