(3MjGI GSjI GeQCI aQYhf (B/s - (3TdHj, eMehOs ((3dHfGf (B:s (3OGQ GdLjd ,s, 1992)
(3HHdjhZQGajG (B: s
Keywords: (3GSjIs; (3aQYhfs; (3bUIs