(3GSGS GdJbGOe GdLfGFi(B:s (3OQGSI ebGQfI (B/s - (3YHOGdJhGH eYhV GdThQHLi(B.s ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI (B,s, 1998)
(3jTed Ydi GQLGYGJ HHdjhLQGajI (B196-199.s
Keywords: (3GdbGfhf GdLfGFjs