in the perfect time i'll stop you and tell you that i'm the who ask you just be patient
p.s : i'm studying engineering and i've taken a several lectures with you like electronic's dr .mustafa mhelan can you remember ??
بدك اياني اتزكر مادة اخدتها عالصيفي قبل 3 سنين وااااو شو انك واااااو