Portafolios y NCATE

http://www.education.uiowa.edu/eportfolio/

http://www.deskootenays.ca/wilton/eportfolios/

http://www.eportconsortium.org/Uploads/whitepaperV1_0.pdf

http://college.livetext.com/college/portfolios.html

http://www.pupilpages.com/site/teacher.htm

http://www.chalkandwire.com/choiceIndex.html