(3GdUMGaI GdYQHjI GdegGLQI (B/ s - (3aGQhb GHhRjOs ((3GdbGgQI (B: s (3ecJHI eOHhdi , s, 1993)
Keywords: (3GdGYdGes; (3GdUMGaI GdYQHjIs