Amaral, Y., 		Rodrigues, R., 		Soares, F., 		Gonçalves, A., & 		Maciel, A.
2015 out 26.  Analysis of the linearity relation between the tutor’s actions and the learners’ interactions in Distance Education courses. Anais do Simpósio Brasileiro de Informática na Educação (SBIE). [Online] :