(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; (3GdbUU GdQhSjI GdeJQLeIs; (3JGQjN hfbOs; (3JhdSJhi(B, (3djhs