id	domain	url
er-2831	www.ncaf.org	http://www.ncaf.org/documents/nctaf/nctaf_
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ed555664
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ed577709
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ed512807
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ej1188459
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ed555664
er-2831	eric.ed.gov	https://eric.ed.gov/?id=ed512807