(3GdUMa GdjhejI GdeUQjI ai GdbQf GdJGSY YTQ (B/ s - (3UdGM bHVGjGs ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1982)
Keywords: (3GdUMGaI GdeUQjI (B- (3JGQjNs; (3GdUMa GdeUQjI (B- (3JGQjN (B- (3GdbQf GdJGSY YTQs