(3GdbhGYOGdCSGSjI aj GdfMh hGdUQa (B/s - (3MeGOj, jhSas ((3GdLgGR GdeQcRj ddcJH GdLGeYjI hGdeOQSjI hGdhSGFd GdJYdjejI ,s 1987)
(3cJGH eOQSj dJdGejP GdeQMdI GdKGfhjI heGaj eSJhGgGs
Keywords: (3GddZIs -- (3fMh hUQas