HOPKINS, N. The Limits To Estoppel: Flexibility And Unconscionability. Journal of Malaysian and Comparative Law, [S. l.], v. 26, n. 2. Dec, p. 133–144, 1999. Disponível em: https://ejournal.um.edu.my/index.php/JMCL/article/view/16173. Acesso em: 18 may. 2024.