(3CUhd GdJMbjb GdLfGFj (B:s (3OQGSI ebGQfI Hjf GdJTQjYGJ GdYQHjI hGdabg GdESdGej (B/s - (3MeRI, MeRIs ((3GdQjGV (B:s (3ecJHI GdQTO,s, 2006)
(3HHdjhLQGajI (B: (3U(B. 233-240.s
Keywords: (3GdJMbjb GdLfGFjs; (3GdCOdI GdLfGFjIs; (3GdVHW GdbVGFjs