(3GdYhdeI h GdOjebQGWjI (B:s (3OQGSI dGKQ GdYhdeI Ydi GdYGde h GdYQGb (B/s - (3eLjO, ceGds ([(3Ohf ecGf(B]: s [(3Ohf fGTQ(B], s, 2002)