(3GdeLehYI GdPgHjI aj GdNWH GdefHQjI (B/s - (3GdZGeOj, fGUQ Hf eMeO eTQj ,s; (3GdTQje , SYhO Hf GHQGgje ,s ((3ecI GdecQeI (B:s (3OGQ WjHI,s, 1999)
Keywords: (3GdNWH GdOjfjI GdESdGejIs; (3GdhYX hGdEQTGOs