ONG`ONDO, C. B.; GWAYA, A. O.; MASU, S. Establishing A Performance Efficiency Index for Construction Projects in Kenya. Journal of the Kenya National Commission for UNESCO, [S. l.], v. 2, n. 1, 2023. Disponível em: https://journals.unesco.go.ke/index.php/jknatcom/article/view/23. Acesso em: 5 jan. 2025.