de Oliveira Arruda Gomes, Danielle Miranda, et al. , translators. “Relative Importance of Quality Factors and Determinants in the Selection of Foreign Language Courses in Social Networks”. Revista Electrónica Educare, vol. 19, no. 3, July 2015, pp. 1-23, https://doi.org/10.15359/ree.19-3.13.