(3efGgL GdOQGSI GdCOHjI aj GdCOH GdYQHj (B: s (3YQV h fbO h EbJQGM (B/ s - (3ajUd, TcQjs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf,s, 1978)
Keywords: (3GdCOH GdYQHjs