(3ehGYX GdMceGA h CeKGd GdTYhH (B/ s - (3YjSi, eUWai NGdOs ((3YeGf (B:s (3GdQhGO ddWHGYI h GdfTQ h GdJhRjY,s, 2004)
Keywords: (3GdCeKGds; (3GdCOH GdTYHjs; (3GdCbhGd GdeCKhQIs