(3GdLhGH GdcGaj def SCd Yf GdOhGA GdTGaj (B/s - (3GHf bje GdLhRjI, eMeO Hf CHj HcQ Hf CjhH,s 691-751 (3gLQjG(B.s; (3Hf YGdjI , CHj MPjaI YHjO Gddgs ((3HjQhJ (B:s (3OGQ GdcJGH GdYQHj,s, 1987)
Keywords: (3GdhYX hGdEQTGOs; (3GdOYhI GdESdGejIs