MESTEL, Ben; ERSKINE, Grahame. Developing STACK practice questions for the Mathematics Masters Programme at the OU. MSOR Connections, [S. l.], v. 17, n. 1, p. 37–45, 2018. DOI: 10.21100/msor.v17i1.896. Disponível em: https://journals.gre.ac.uk/index.php/msor/article/view/896. Acesso em: 20 oct. 2025.