M. I. S. de Almeida, M. Costa, R. L. F. Coelho, and P. R. Scalco, “‘Engage and attract me, then I’ll share you’: an analysis of the impact of post category on viral marketing in a social networking site”, Rev. Bras. Gest. Neg., vol. 18, no. 62, pp. 545–569, Oct. 2016.