(3GdeYLe GdhSjO aj GdCYQGH (B/ s - (3eYQha, fGjas ((3HjQhJ (B:s (3OGQ GdfaGFS,s, 1988)
Keywords: (3GddZI GdYQHjIs; (3GdfMh hGdUQas; (3GdbhGejSs