(3EfaLGQ GdaVGFjGJ GdYQHjI (B:s (3GdCHYGO(B, (3h GdCgOGa(B, (3h GdJCKjQGJ GdKbGajI (B/s - (3GdCSO, UGdM Yj GdCSOs ((3YeGf (B:s (3OGQ ZjOGA ddfTQ hGdJhRjY ,s, 2011)
Keywords: (3GdGJUGds; (3GdGJUGd GdLeGgjQjs; (3GdJdaRjhfs; (3hSGFd GdGJUGd GdLeGgjQj s