(3HdhZ GdeQGe ef LeY GOdI GdGMcGe (B/ s - (3GHf MLQ GdYSbdGfi (B: (3TgGH GdOjf GHh GdaVd GMeO Hf Ydi Hf eLeO Hf Ydi GdcfGfi s ((3HjQhJ (B: s (3OGQ GdLjd , s, 1982)
Keywords: (3GdGMGOjK GdfHhjIs