(3GdcjejGA GdMjhjI ai GdeLGd GdQjGVi (B/ s - (3HgGAGdOjf GHQGgje SdGeIs ([S.N] : (3OGQ GdacQ GdYQHi , s, 1990)
Keywords: (3GdQjGVI GdHOfjIs; (3GdcjejGA GdMjhjIs; (3GdHQhJjfGJs; (3GdQMes; (3GdLhGfH GdWHjIs; (3GdcjejGA GdaSjhdhLjIs