(3af GdGOH GdQhGFi YfO JhdSJhi (B/ s - (3GOjfcha, a (B0 (3Ys; (3eMeO jhfS (B((3eJQLe(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdGOH GdQhSis; (3GdbUI GdQhSjI GdeJQLeIs; (3JGQjN hfbOs