(3TaGA Gdbdb (B/ s - (3YHOGdefYe GdRjGOis; (3eMeO YKeGf fLGJis; (3JTGHd, eGKjhs ((3GdbGgQI (B: s (3ecJHI GdNGfLi , s, 1997)
Keywords: (3GdejJGajRjbGs; (3Gdbdbs; (3Gdbdb (B((3GdGLJeGYi(B)s; (3GdJaQjZ GdGLJeGYis; (3GdejJGaQjfjfGs