(3QSGdI GdUGgd hGdTGML (B/ s - (3GHhGdYdGA GdeYQis; (3YGFTI YHOGdQMefs ((3GdbGgQI (B: s (3OGQ GdeYGQa , s, 1984)
Keywords: (3GdGOH GdYQHis; (3GdQSGFd GdYQHjIs; (3GdQSGFd ai GdGOHs