(3bTQI GdCQVs (3OQGSI LjhehQahdhLjIs - (3CHh GdYR, eMeO Uaj GdOjfs ((3GdbGgQIs (3OGQ ZQjHs, 2001)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI (B((3U(B. 342) (3h cTGas
11
Keywords: (3GdLjhehQahdhLjGs; (3GdbTQI GdGQVjIs