JIANG, Ke; ZHANG, Lei; MIYAKE, Shigeru. Using OCL in Executable UML. Electronic Communications of the EASST, [S. l.], v. 9, 2007. DOI: 10.14279/tuj.eceasst.9.104. Disponível em: https://www.eceasst.org/index.php/eceasst/article/view/1442. Acesso em: 18 sep. 2025.