Internal Factors Affecting Contractors’ Performance and the Improvement Mechanisms: Construction Technology and Managemnt. Ethiopian Journal of Engineering and Technology, [S. l.], v. 2, p. 128–145, 2023. DOI: 10.82127/s3ev5170. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ejet/article/view/926.. Acesso em: 17 dec. 2025.