著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) BERGER C.,Kano's methods for understanding customer-defined quality,Center for Quality Management Journal,,,1993,2,4,3-36,https://cir.nii.ac.jp/crid/1571980075723369472,