Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwai Hiroki,Practice and Research on German Voice Training with a Speech Recognition Application,大阪大学高等教育研究,21876002,Center For Education In Liberal Arts And Sciences,2014-03-31,2,,11-18,https://cir.nii.ac.jp/crid/1390290699781097984,https://doi.org/10.18910/28099