Am wakken i d-yenna M.Yehiaoui(2009;52): deg tenfalit tilellit,ma yella nebɣa ad neg abeddel , ilaq ad yili ilmend n wagus akalmaḍan d wagus anuddus.awal i nebɣa ad nbeddel ilaq ad yili seg yiwet n taggayt taseddasant,neɣ n yiwen uswir asnamkan,neɣ d amegdiw110 a. Abeddel n umkan