Internal Factors Affecting Contractors’ Performance and the Improvement Mechanisms: Construction Technology and Managemnt. Ethiopian Journal of Engineering and Technology, [S. l.], v. 3, n. 1, p. 128–145, 2024. DOI: 10.82127/s3ev5170. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/ejet/article/view/926.. Acesso em: 29 oct. 2025.