FARMER, Rob; OAKMAN, Phil; RICE, Paul. A review of free online survey tools for undergraduate students. MSOR Connections, [S. l.], v. 15, n. 1, p. 71–78, 2016. DOI: 10.21100/msor.v15i1.311. Disponível em: https://journals.gre.ac.uk/index.php/msor/article/view/311. Acesso em: 29 oct. 2025.