(3efgL GdLZQGajG GdGbJUGOjI aj bUI CUMGH GdSHJ (B/ s - (3GdMdjSj, fhGa UGdM YHO GdYRjRs ([(3GdSYhOjI(B]: s (3OGQ GdcJH, s, 2000)
(3jMJhj Ydi GQLGYGJ HjdjhLQGajI s
Keywords: (3GdLZQGajG GdCbJUGOjIs