FEIJOO GARCIA, P. G.; DE LA ROSA, F. RoBlock – Web App for Programming Learning. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 11, n. 12, p. pp. 45–53, 2016. DOI: 10.3991/ijet.v11i12.6004. Disponível em: https://online-journals.org/index.php/i-jet/article/view/6004. Acesso em: 28 jan. 2022.