(3CSGSjGJ UYhHGJ GdJYde (B/s - (3GdbGSe, LeGd eKbGds ((3YeGf(B- (3GdCQOf (B:s (3OGQ UaGA ddfTQ hGdJhRjY,s, 2000)
Keywords: (3GdJYdje GdNGUs; (3GdeYhbhfs -- (3JYdjes; (3GdCWaGd HWjFh GdJYdes