http://www.inclusioneducativa.org/content/documents/educar_diversidad.pdf
http://portal.oas.org/LinkClick.aspx?fileticket=i1eTBe75gxI%3D&tabid=1282&mid=3693
http://www.ite.educacion.es/formacion/materiales/126/cd/pdf/m2_ei.pdf
