(3MQH GdeGFI KGfjI (B: s (3GdhdGjGJ GdeJMOI h ChQhHG h MQH GdfLhe (B/ s - (3ZGdhG, HjjQs; (3HjWGQ, LHQGFjds ((3OeTb (B:s (3OGQ WdGS,s, 1988)
Keywords: (3GdESJQGJjLjIs; (3GdhdGjGJ GdeJMOIs; (3MQH GdaVGAs; (3GdUhGQjN GdehLgIs