(3OjhGf EHf RjOhf (B/ s - (3EHf RjOhf, CHh GdhdjO CMeO Hf YHO Gddgs; (3GdaGNhQj, MfGs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1990)
Keywords: (3GdCOH GdYQHjs; (3GdYUQ GdCfOdSjs; (3GdCOH GdCfOdSjs