(3TgGOGJ ejOGfjI dVHGW h LfhO GdYOh (B/ s - (3GdSYOj, ZGRjs; (3YHO GdMb, HOQs ((3YeGf (B:s (3OGQ GdLdjd,s, 1986)
Keywords: (3JGQjNs; (3dHfGfs; (3GdMQH GdadSWjfjI GdESQGFjdjI (B1982s