GAN, C. C. The Ultra Vires Doctrine In Administrative Law: A Malaysian Perspective. Journal of Malaysian and Comparative Law, [S. l.], v. 19, n. 1 and 2, p. 125–160, 2019. Disponível em: https://ejournal.um.edu.my/index.php/JMCL/article/view/16055. Acesso em: 22 may. 2024.