M. L. Emmendoerfer and B. C. L. Martins, “Management of circuses: an (un)known professional field?”, Tour Manage Stud, vol. 9, no. 2, pp. 118–123, Jul. 2013, Accessed: Apr. 29, 2024. [Online]. Available: https://www.tmstudies.net/index.php/ectms/article/view/597