著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Shimizu H.,"An introduction to the statistical free software HAD: Suggestions to improve teaching, learning and practice data analysis","Journal of Media, Information and Communication",,,2016,1,,59,https://cir.nii.ac.jp/crid/1370286995770875146,