(3GdOdjd ZjQ GdQSej (B:s (3EfTGA Yed JLGQj Ydi GdEfJQfJ (B/s - (3QjJT, LGShf Q(B.s; (3ecJHI LQjQ (B((3GdQjGV(B)s ((3GdQjGV (B:s (3ecJHI LQjQ,s, 2000)
Keywords: (3GdJLGQI GdEdcJQhfjIs