(3HTQi GdcFjH HdbGA GdMHjH (B/ s - (3GdSjhWj, LdGd GdOjf YHO GdQMefs; (3EHQGgje, eLOj GdSjOs ((3GdbGgQI (B:s (3ecJHI GdbQBf,s, 1986)
Keywords: (3GdehJs; (3GdMjGI GdBNQIs