Sourcesfr.wikipedia.org/wiki/Crayon#:~:text=HB%20(hard%20bold)%20%3A%20moyenne,%C3%A9tant%20un%20peu%20plus%20tendre. 
www.google.com/search?q=dessin+def&rlz=1C1ONGR_frFR1014FR1014&ei=34cMY8ylIsqDur4P6pS2-AU&ved=0ahUKEwiMkYyi3-v5AhXKgc4BHWqKDV8Q4dUDCA4&uact=5&oq=dessin+def&gs_lcp=Cgdnd3Mtd2l6EAMyBQgAEIAEMgcIABCABBAKMgcIABCABBAKMgUIABCABDIHCAAQgAQQCjIHCAAQgAQQCjIHC 
www.auxcouleursdalix.com/le-feutre/le-feutre-a-alcool 
www.jpg.fr/centre-de-connaissances/guides-d-achat/formats-et-types-de-papier-guides-dachat.html 
www.helloasso.com/blog/combien-coute-un-cours-dart%E2%80%89/ 
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481 joués - 12 ans
169 joués - 1 an
138 joués - 2 ans
83 joués - 8 mois
120 joués - hier
140 joués - 4 jours
199 joués - 5 jours
214 joués - 5 jours
192 joués - 8 jours
147 joués - 17 jours
145 joués - 19 jours
134 joués - 28 jours
137 joués - 1 mois
3 621 joués - 1 mois
169 joués - 1 mois