Johnston, Jacquelyn Jackson. “Animal Activism, Nonhuman Charisma, and Ethical Considerations When Working With Captive Animals and Animal Agency Employees”. ACME: An International Journal for Critical Geographies, vol. 21, no. 2, Mar. 2022, pp. 113-29, https://acme-journal.org/index.php/acme/article/view/2049.