da Rosa Borges, G., V. E. Dagnoni Mondini, and M. J. Carvalho de Souza Domingues. “The Influence of Loyalty in the Word-of-Mouth Advertising in a Non-Profit Higher Education Institution”. Responsibility and Sustainability, vol. 3, no. 3, Dec. 2015, pp. 47-58, https://responsibility-sustainability.org/index.php/R-S/article/view/63.