XING, Chaoyang. Research on Optimization of Quantitative Evaluation Model of Value for Money for PPP Projects. Frontiers in Humanities and Social Sciences, [S. l.], v. 4, n. 3, p. 354–359, 2024. DOI: 10.54691/cg5q5f72. Disponível em: https://bcpublication.org/index.php/FHSS/article/view/6137. Acesso em: 21 apr. 2026.