(3CYdGe aj GdJGQjN GdESdGej (B: s (3CacGQ ddJLOjO hehGba ddMjGI (B/ s ((3GdbGgQI (B: s (3GdOGQ GdeUQjI GddHfGfjI , s, 1996)
Keywords: (3ehVhYGJ YGeI aj GdOjGfGJs