salam aalikoum, awalan djazak allah koul khir w 3afia akhi hamza 3la l3amal li rak t9oum bih l faydat khawtek w khwatatek, allah ybarek. Wech nkollek ana 3anit men bezaf machakil f hyati me 2012 w li kanat sabbab f 3adem tarkizi fel 9raya w nadjah fel bac w ktebli rabi sabhano n3awdou wel hamdou li llah ana radia bel maktoub. Habit bark khouya hamza anak tmadli djadwal taw9it bech nteb3ou men had el chahr 3ilman anou lbac ani naawed fih horra machi nidamia. Djazak allah koul khir
Chou3ba : scientifique