(3GfgGA GdeYGgOGJ GdOhdjI (B/ s - (3GdMSf, HTGQ SHYGhj GHQGgje, s ((3HZOGO, GdYQGb (B: s (3OGQ GdTDhf GdKbGajI GdYGeI (B999.s, 1999)
(3GdGUd QSGdI LGeYjI(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B174-180.s
Keywords: (3GdeYGgOGJs -- (3bhGfjf hJTQjYGJ(B.s; (3GdbGfhf GdOhdj(B.s