(3cJGH GdedI h fUhU CNQi (B/ s - (3GdaGQGHj, CHh GdfUQ eMeO Hf eMeO Hf WQaGfs; (3egOj, eMSfs ((3HjQhJ (B:s (3OGQ GdeTQb,s, 1991)
Keywords: (3GdadSaI GdESdGejIs