(3GdcJGHI hGdGNJdGa (B/ s - (3OjOG (B: (3LGc (B: s 1930-2004; (3LgGO (B: (3cGXes ((3GdOGQ GdHjVGA (B: s (3OGQ JhHbGd ddfTQ (B: s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdadSaI GdZQHjIs