R1: ¿Y ahora cómo sigo?

[1] http://www.springerlink.com/content/k43r764037435470/fulltext.pdf
[2] http://pepsic.bvsalud.org/scielo.php?pid=S0034-96902009000300009&script=sci_arttext&tlng=pt
[3] http://vivianita.cadiretes.cesca.cat/index.php/IEM/article/download/204048/272580
[4] http://www.virtualeduca.info/ponencias2009/598/Ense%F1ar%20a%20leer%20en%20Internet-Flora%20Perelman.doc
[5] http://hera.ugr.es/tesisugr/19561933.pdf