(3CLgRI Jcjja GdghGA (B: s (3JUeje h JQcjH h JTZjd h UjGfI h EUdGM (B/ s - (3GdYGeQj, aGQhb eMeOs ((3GdbGgQI (B:s (3GdOGQ GdeUQjI GddHfGfjI,s, 1993)
Keywords: (3GdJHQjOs; (3Jcjja GdghGAs