(3JQJjH ShQ GdbQBf (B/ s - (3GdSjhWj, LdGd GdOjf CHh GdaVd YHO GdQMef Hf CHj HcQ, s - 911 (3g, s; (3GdLejdj, GdSjOs ((3HjQhJ (B:s (3OGQ hecJHI GdgdGd, s, 1986)
Keywords: (3GdbQBf GdcQje(B.s; (3JQJjH(B.s; (3LeY GdbQBf(B.s; (3JOhjf GdbQBf(B.s