(3fTGI GdUMGaI GdYQHjI aj GdehUd (B:s - (3GMeO ,GHQGgje Ndjds ((3GdehUd, GdYQGb(B:s (3LGeYI GdehUd,s, 1982)
Keywords: (3GdUMGaI GdYQHjI s