(3QMdGJ GdSfOHGO GdHQi (B/ s - (3UGdM eQSis ((3GdbGgQI (B: s (3ecJHI eOHhdi GdUZjQ , s, 1993)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs