(3TQM OjhGf GHi GdWjH GdeJfHi (B/ s - (3GHhGdYdGA GdeYQis; (3YHOGdMejO OjGH (B((3JMbjb(B)s ([S.N] : (3OGQ GdeYGQa , s, 1992)
Keywords: (3GdTYQ GdYQHis; (3OhGhjf hbUGFOs; (3GdOhdI GdYHGSjI GdKGfjIs; (3GdeJfHi(B, (3GHh GdWjHs; (3JGQjN hfbOs