http://platea.pntic.mec.es/~cvera/hotpot/articulateurs1f.htm
http://www.rambouillet.com/exercices/fl4/sup10.htm
http://www.didieraccord.com/exercices/index.php?ex=2.3.4
http://ml.hss.cmu.edu/fol/fol1/modules/module4/exercises/F1M40303E2.htm
http://www.librosvivos.net/smtc/PagPorFormulario.asp?idIdioma=ES&TemaClave=1101&est=2
http://platea.pntic.mec.es/~cvera/hotpot/articulateurs2g.htm
http://platea.pntic.mec.es/~cvera/hotpot/articulateurs1d.htm
http://fran-lang.vaniercollege.qc.ca/docpedago/Exer/paragraphe/netquiz.htm
http://www.site-magister.com/connections.htm
http://www.didieraccord.com/exercices/index.php?ex=2.3.1.5
http://www.prof2000.pt/users/tyny/Expconseq.htm
http://www.didieraccord.com/exercices/index.php?ex=2.4.1.2