(3QMdI GdCejQ QhOda Edi GdTQb eUQ h GdbOS (B/ s - (3QhOda, s; (3GdTjN, YHO GdQMef YHO Gddgs ((3GdbGgQg (B:s (3GdgjFg GdeUQjg GdYGeg,s, 1995)
Keywords: (3GdSaQs