(3GSJQGJjLjGJ GdJOQjS aj GdbQf GdMGOj hGdYTQjf (B:s (3Odjd GdeYde hGdeTQa GdJQHhj (B/s - (3YHjOGJ, PhbGfs; (3CHh GdSejO, SgjdIs ((3YeGf, GdCQOf (B:s (3OGQ OjHhfh ddWHGYI hGdfTQ hGdJhRjY,s, 2013)
(3HHdjhLQGajI (B: (3U(B. 481-485.s
Keywords: (3WQb GdJOQjSs -- (3bQf (B21s