(3YHbQjg GdGeGe eSde aj JQJjH GMGOjK eSfOg GdUMjM (B/ s - (3GdedjHGQj, MeRg YHO Gddgs ((3HjQhJ (B:s (3OGQ GHf MRe ddWHGYI h GdfTQ h GdJhRjY,s, 1997)
Keywords: (3UMjM eSdes; (3GdMOjKs