WIYASING, T. . Achievement Study of Using the System Flowchart According to the Principles of Contract Amendment. Journal of Bansomdej Engineering and Industrial Technology, Bangkok, Thailand, v. 4, n. 2, p. 27–39, 2024. Disponível em: https://ph04.tci-thaijo.org/index.php/JEITB/article/view/3174. Acesso em: 21 apr. 2025.