(3GdafGOb (B/s - (3ahcS , OjHhQGs (3OjHhQG ahcSs; (3eQcR GdJYQjH hGdJQLeI HecJHI GdYHjcGf s ((3GdQjGV (B:s (3ecJHI GdYHjcGf ,s, 2003)
Keywords: (3GdafGObs -- (3JfXje hGOGQIs; (3GdYed hGdYeGds; (3GdaGObs -- (3cJH GdGWaGds; (3GdaGObs -- (3GdLhGfH GdGLJeGYjIs