(3GdHGH GdeaJhM (B/ s - (3dWjaI GdRjGJs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1989)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3GdbUU GdJGQjNjIs