(3GdejcQhceHjhJQ hGdHUQjGJ (B/ s - (3HGSd JaGMIs ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1987)
Keywords: (3GdVhAs; (3GfYcGS GdVhAs; (3GfcSGQ GdVhAs