HAWKES, Trevor; HODDS, Mark. HowCloud: Round-the-Clock Maths Support. MSOR Connections, [S. l.], v. 14, n. 2, p. 3–7, 2016. DOI: 10.21100/msor.v14i2.297. Disponível em: https://journals.gre.ac.uk/index.php/msor/article/view/297. Acesso em: 15 oct. 2025.