Educación a distancia en los 90, c1994: t.p. (Hebe Roig) p. 108 (docente del Departamanto de Ciencias de la Educación, Universidad de Buenos Aires)

Homenaje a Edith Litwin, septiembre 2014: t.p. (Hebe Roig) p. 127 (Hebe Irene Roig; lic. in educational psychology; dr. in sciences of education; adjunct prof. at Univ. de Buenos Aires devoted to teaching and research on distance education, educational technology and evaluation of educational projects and systems)