(3MUGQ GdehUd ef edGMe GdHWhdI VO GdYOh GdaGQSj (B:s - (3LQLjS ,YHO GdLHGQ eMeOs ((3HZOGO(B:s (3GdecJHI GdhWfjI ,s, 1982)
Keywords: (3GdMVGQI s