(3JGQjN GdadSaI GdYQHjI (B/ s - (3GdaGNhQj, MfGs; (3GdLQ, Ndjds ((3HjQhJ (B:s (3OGQ GdLdjd,s, 1982)
Keywords: (3GdadSaI GdESdGejIs; (3GdJGQjNs