id	domain	url
flr-68	dx.doi.org	http://dx.doi.org/10.14786/flr.v2i3.68
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/david_gijbels
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/vincent_donche
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/john_t._e._richardson
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/john_t._e._richardson
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/jan_d._vermunt
flr-68	www.che.org.il	http://www.che.org.il/download/files
flr-68	scholar.lib.vt.edu	http://scholar.lib.vt.edu/ejournals/jvte/v16n1/doolittle.html
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/david_gijbels
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/vincent_donche
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/john_t._e._richardson
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/jan_d._vermunt
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/david_gijbels
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/vincent_donche
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/john_t._e._richardson
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/jan_d._vermunt
flr-68	citeseerx.ist.psu.edu	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.136.2518
flr-68	prof.usb.ve	http://prof.usb.ve/jjramirez/pregrado/ccp114/ccp114%20motivacion%20linnenbrink%20y
flr-68	www.education.gov.il	http://www.education.gov.il/tochniyot_limudim/sifrut/asi12020.htm
flr-68	www.westga.edu	http://www.westga.edu/~distance/ojdla/fall163/ekstrand164.html
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/david_gijbels
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/vincent_donche
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/john_t._e._richardson
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/jan_d._vermunt
flr-68	www.routledge.com	http://www.routledge.com/books/search/author/jan_d._vermunt
flr-68	dx.doi.org	http://dx.doi.org/10.1016/j.nedt.2005.12.001
flr-68	dx.doi.org	http://dx.doi.org/10.1016/s0883-0355(99)00012-9
flr-68	dx.doi.org	http://dx.doi.org/10.1043/1536-5026-31.2.109