(3GdYUQ GdYHGSj (B: s (3feGPL TYQjI eMddI (B/ s - (3ZQjH , LhQL s ((3HjQhJ (B: s (3OGQ GdKbGaI , s, 1970)
Keywords: (3GdTYQ GdYQHj s -- (3JGQjN GdYUQ GdYHGSj s