(3GdLRjQI (B/ s - (3SGei NTHI(B((3eJQLe(B)s; (3gcSdi , GdOhSs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdbUU GdGeQjcjI GdeJQLeIs; (3GdGOH GdGeQjci GdeJQLes