(3Cda jGA GdWHN GdTQbj hGdZQHj (B/ s - (3GdNGdOj, gOGjIs ((3YeGf (B:s (3OGQ GdNdjL ddfTQ hGdJhRjY,s, 2002)
Keywords: (3GdHdOGf GdYQHjIs; (3GdZQHs; (3GdWHNs