(3GdYHQjI ef ZjQ eYde (B: s (3WQjbI SgdI dJYdje GddZI GdYHQjI (B/ s - (3ceGd, QHMjs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf,s, 1982)
Keywords: (3GddZI GdYHQjIs; (3GdJYdes