SIAHAAN, A.; LATIEF, Y. Evaluation of project implementation control in pre-construction stage to improve service provider performance in government procurement of goods and services. International research journal of engineering, IT and scientific research, [S. l.], v. 11, n. 2, p. 35–46, 2025. DOI: 10.21744/irjeis.v11n2.2504. Disponível em: https://sloap.org/journals/index.php/irjeis/article/view/2504. Acesso em: 10 feb. 2026.