VATTA, Versil. Administration of Agreements for Durable Material Structures. Zhongguo Kuangye Daxue Xuebao, [S. l.], v. 29, n. 1, p. 8–12, 2024. Disponível em: https://zkdx.ch/journal/zkdx/article/view/65. Acesso em: 4 feb. 2025.