(3ajRjGA GdeYGOf hJcfhdhLjG GdSHGFc GdeYOfjI (B/ s - (3eUWai ceGd eMeOs ((3GdbGgQI (B: s (3GjJQGc ddfTQ hGdJhRjY , s, 2001)
Keywords: (3GdJYOjfs; (3GdeYGOf GdajRjGFi, Ydes; (3GdSHGFcs