أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Hello
I want to direct education and disposable better and better, especially for people with weak capacity either self-education FengAt him to be just Rmesaad factor in critical situations and not entirely reliable, especially when the collision points vague need for the presence of a teacher.