SANGWIN, Christopher. Running an Online Mathematics Examination with STACK. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 18, n. 03, p. pp. 192–200, 2023. DOI: 10.3991/ijet.v18i03.35789. Disponível em: https://online-journals.org/index.php/i-jet/article/view/35789. Acesso em: 7 may. 2024.