Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yamada Hiroaki,Research on Learning Effects of IT-based Sorting Work,Produetion Management,1341-528X,Japan Society for Production Management,2020,27,2,19-27,https://cir.nii.ac.jp/crid/1390861383235333888,https://doi.org/10.14846/seisankanri.27.2_19