MODLO, E. O.; SEMERIKOV, S. O. Development of SageMath filter for Moodle. CTE Workshop Proceedings, Kryvyi Rih, Ukraine, v. 2, p. 233–243, 2014. DOI: 10.55056/cte.213. Disponível em: https://acnsci.org/journal/index.php/cte/article/view/213.. Acesso em: 29 oct. 2025.