Sutton-Spence, R., Felicio, M., de Araujo Machado, F., Leite, T. de A., Lopes L’Astorina de Andrade, B., Boldo, J., & Carvalho Junior, D. (2016). The libras superstars: the importance of a sign language folklore festival. Revista Sinalizar, 1(1), 78–92. https://doi.org/10.5216/rs.v1i1.35847