(3GZGKI GddgaGf aj eUGjO GdTjWGf (B/s - (3GHf bje GdLhRjI , eMeO Hf GHj HcQ GdTgjQ s; (3eMeO Yajajs ((3HjQhJ(B:s (3GdecJH GdGSdGej ,s, 1989)
Keywords: (3GdGSdGe hYde GdfaS s