ZHANG, Helen. Battling for Votes: The Ascent of the Permanent Campaign in Canada. Political Science Undergraduate Review, [S. l.], v. 1, n. 2, p. 34–42, 2016. DOI: 10.29173/psur17. Disponível em: https://journals.library.ualberta.ca/psur/index.php/psur/article/view/17. Acesso em: 25 feb. 2024.