(3GdYGJcI hGdZQjH (B: s (3QhGjI (B/ s ((3OHj (B: s (3OGQ eOGQc ddfTQ , s, 2012)
Keywords: (3GdCOH GdNdjLj, GdQhGjI GdGLJeGYjI, GdCOH GdEeGQGJjs