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) Joseph L. Schafer and John W. Graham,Missing data: Our view of the state of the art.,Psychological Methods,1082-989X,American Psychological Association (APA),2002,7,2,147-177,https://cir.nii.ac.jp/crid/1363670320786441344,https://doi.org/10.1037/1082-989x.7.2.147