(3JfRjg GdCfHjGA YeG fSjH Gdjge MKGdI GdCZHjGA (B/ s - (3EHf MejQ, CHh GdMSf Ydj Hf CMeO GdHSJjs; (3GdOGjg, eMeO QVhGfs ((3OeTb (B:s (3OGQ GdacQ,s, 1990)
Keywords: (3GdESdGes; (3CUhd GdOjf GdESdGejs