Clericuzi, A., 		Grilo Jr., T., 		Pontes, A., 		de Oliveira, A., 		Soares, J., & 		De Souza, W.
2020 Jul 31.  PortuGame: Tool to Aid Teaching and Learning of the New Portuguese Language Spelling Agreement. Proceedings of the Congress on Technologies in Education (Ctrl+e). [Online] :