BERGSTRA, J. A.; BURGESS, M. Promise Theory and the Alignment of Context, Processes, Types, and Transforms. Transmathematica, [S. l.], 2021. DOI: 10.36285/tm.43. Disponível em: https://transmathematica.org/index.php/journal/article/view/43. Acesso em: 31 jul. 2021.