(3GdQSGFd GdLGeYjI GdeUQjI aj eLGd GdWahdI (B1981-1990 : s (3HHdjhZQGajI TGQMg (B/ s - (3TGOj, KQjG eMeOs ((3GdbGgQg (B:s (3GdgjFI GdeUQjI GdYGeI ddcJGH,s, 1993)
Keywords: (3GdCWaGds; (3GdHHdjhZQGajGJs; (3GdQSGFd GdLGeYjIs; (3eUQs