Cavalcante, R. B., P. Calixto, and M. M. K. Pinheiro. “Content Analysis: General Considerations, Relations With the Research Question, the Possibilities and Limitations of the Method”. Informação &Amp; Sociedade, vol. 24, no. 1, Apr. 2014, https://periodicos.ufpb.br/ojs2/index.php/ies/article/view/10000.