Ixef 01 : Tiẓri 6-2-2-2-1- Aẓar Ɣer DUBOIS.Jean (1980.304) :  Sumata ayen iwumi nsemma aẓar d aferdis adday yezdin akk ayen id d-yeskanayen yiwet n twacult n wawalen daxel n tutlayt neɣ daxel n tutlayin. 32