(3JbQjH GdJgPjH (B/ s - (3GHf MLQ GdYSbdGfi (B: (3TgGH GdOjf GHh GdaVd GMeO Hf Ydi Hf GMeO GdcfGfis ((3ShQjG (B: s (3OGQ GdQTjO , s, 1992)
Keywords: (3GdQhGg (B- (3JQGLes