(3eHGOF GdGbJUGO (B/s - (3GMeO LGeYs ((3GdGScfOQjI (B:s (3OGQ GdKbGaI GdLGeYjI (B,s, 1990)
(3jTed Ydi GQLGYGJ HHdjhLQGajI s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGbJUGO(B4s