http://www.web-books.com/Language/Inter0/Pages/TestS/TSdays_2.htm#No=1
http://www.adelescorner.org/vocab/days/days.html
http://www.johnmh.com/Days/days.htm
http://www.eslkidsworld.com/Interactive%20games/days%20of%20the%20week%20and%20ordinal%20numbers.html
http://michel.barbot.pagesperso-orange.fr/cap/day_month/months.htm
http://eolf.univ-fcomte.fr/uploads/ressources/grammar/10_numbers%20-dates/05e_months/01a.htm
http://www.educa.madrid.org/binary/518/files714/