http://www8.cao.go.jp/cstp/tyousakai/jinzai/haihu02/siryo2.pdf#search=%22%E6%8A%80%E8%A1%93%E7%B3%BB%E4%BA%BA%E6%9D%90%20%E8%82%B2%E6%88%90%22 Organizational Careers and Professional Expertise Robert A. Rothman, Robert Perrucci Administrat…