(3GdJMcje aj GdYdGbGJ GdOhdjI GdNGUI (B:s (3GJaGb GdJMcje (B/s - (3SGejI, QGTOs ((3GdGScfOQjI (B:s (3efTCI GdeYGQa ,s, 1973)
Keywords: (3GdYdGbGJ GdOhdjI s; (3GdJMcje s