(3GdcGai ai GdfMh hJWHjbGJg (B/ s - (3UHQi GHQGgje GdSjOs ([ (3GdGScfOQjI (B] : s (3OGQ GdeYQaI GdLGeYjI , s, 1992)
Keywords: (3fMhs; (3GddZI GdYQHjIs; (3Yde GddZI GdebGQfs