WILLINK, Edward. Aligning OCL with UML. Electronic Communications of the EASST, [S. l.], v. 44, 2011. DOI: 10.14279/tuj.eceasst.44.664. Disponível em: https://eceasst.org/index.php/eceasst/article/view/1852. Acesso em: 12 apr. 2025.