(3chejOjG GdMce GdTehdi (B/ s - (3GHQGgje aJMis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdSNQjIs; (3GdedgGIs; (3JGQjN hfbOs